| Thursday, January 2 |
| Future Red Sox Jeff Suppan is born in Oklahoma City, OK. Former Red Sox Curt Fullerton dies in Winthrop, MA at the age of 77. |
| Saturday, March 8 |
| Future Red Sox Jesus Pena is born in Santo Domingo, D.R. |
| Monday, April 7 |
| » Major-league debuts: Jerry Remy (Angels) |
| Tuesday, April 8 |
| » Defeated Brewers (0-1), 5-2 | Fenway Park (1-0) | 1-0 | |
| » W: Luis Tiant (1-0) L: Jim Slaton (0-1) | First | -- |
| Wednesday, April 9 |
| » Lost to Brewers (1-1), 7-4 | Fenway Park (1-1) | 1-1 | |
| » W: Pete Broberg (1-0) L: Bill Lee (0-1) S: Tom Murphy (1) | Third | ½ out |
| Thursday, April 10 |
| » Major-league debuts: Rick Baldwin (Mets) |
| Friday, April 11 |
| » Defeated Orioles (1-1), 6-5 | Memorial Stadium (1-0) | 2-1 | |
| » W: Diego Segui (1-0) L: Doyle Alexander (0-1) | First | -- |
| Saturday, April 12 |
| » Defeated Orioles (1-2), 3-2 | Memorial Stadium (2-0) | 3-1 | Won 2 |
| » W: Reggie Cleveland (1-0) L: Jesse Jefferson (0-1) S: Dick Drago (1) | First | -- |
| Sunday, April 13 |
| » Lost to Orioles (2-2), 11-3 | Memorial Stadium (2-1) | 3-2 | |
| » W: Mike Torrez (1-0) L: Luis Tiant (1-1) | First | -- |
| Monday, April 14 |
| » Major-league debuts: Randy Tate (Mets) |
| Tuesday, April 15 |
| » Defeated Yankees (1-5), 5-3 | Shea Stadium (1-0) | 4-2 | |
| » W: Bill Lee (1-1) L: Catfish Hunter (0-2) | First | -- |
| Wednesday, April 16 |
| » Defeated Yankees (1-6), 4-2 | Shea Stadium (2-0) | 5-2 | Won 2 |
| » W: Rick Wise (1-0) L: Pat Dobson (0-2) | First | -- |
| Friday, April 18 |
| » Lost to Orioles (4-3), 9-7 | Fenway Park (1-2) | 5-3 | |
| » W: Doyle Alexander (1-1) L: Reggie Cleveland (1-1) | First | -- |
| Sunday, April 20 |
| » Defeated Orioles (4-4), 10-2 | Fenway Park (2-2) | 6-3 | |
| » W: Luis Tiant (2-1) L: Mike Torrez (1-1) | First | -- |
| Monday, April 21 |
| » Lost to Yankees (4-7), 12-1 | Fenway Park (2-3) | 6-4 | |
| » W: Pat Dobson (1-2) L: Bill Lee (1-2) | First | -- |
| Tuesday, April 22 |
| » Lost to Yankees (5-7), 5-0 | Fenway Park (2-4) | 6-5 | Lost 2 |
| » W: Doc Medich (3-1) L: Rick Wise (1-1) | Second | 1 out |
| Wednesday, April 23 |
| » Defeated Yankees (5-8), 11-7 | Fenway Park (3-4) | 7-5 | |
| » W: Roger Moret (1-0) L: Sparky Lyle (0-1) S: Diego Segui (1) | First | -- |
| Friday, April 25 |
| » Lost to Tigers (6-5), 1-0 | Tiger Stadium (0-1) | 7-6 | |
| » W: Mickey Lolich (3-0) L: Luis Tiant (2-2) | Third | ½ out |
| Saturday, April 26 |
| » Lost to Tigers (7-5), 3-2 | Tiger Stadium (0-2) | 7-7 | Lost 2 |
| » W: John Hiller (1-0) L: Bill Lee (1-3) | Fourth | 1 out |
| Sunday, April 27 |
| » Lost to Tigers (8-5), 5-4 | Tiger Stadium (0-3) | 7-8 | Lost 3 |
| » W: Lerrin LaGrow (3-0) L: Rick Wise (1-2) S: John Hiller (2) | Fourth | 2 out |
| Wednesday, April 30 |
| » Lost to Indians (7-8), 8-1 | Fenway Park (3-5) | 7-9 | Lost 4 |
| » W: Gaylord Perry (4-2) L: Luis Tiant (2-3) | Fifth | 3 out |
| Thursday, May 1 |
| » Defeated Indians (7-9), 7-6 | Fenway Park (4-5) | 8-9 | |
| » W: Bill Lee (2-3) L: Jim Perry (1-4) S: Diego Segui (2) | Third | 2 out |
| Saturday, May 3 |
| » Defeated Tigers (10-8), 12-2 | Fenway Park (5-5) | 9-9 | Won 2 |
| » W: Rick Wise (2-2) L: Lerrin LaGrow (3-1) | Third | 2½ out |
| Monday, May 5 |
| » Defeated Indians (10-11), 7-5 | Cleveland Stadium (1-0) | 10-9 | Won 3 |
| » W: Luis Tiant (3-3) L: Jim Perry (1-5) S: Dick Drago (2) | Third | 2½ out |
| Tuesday, May 6 |
| » Defeated Indians (10-12), 4-1 | Cleveland Stadium (2-0) | 11-9 | Won 4 |
| » W: Bill Lee (3-3) L: Dick Bosman (0-2) | Third | 1½ out |
| Wednesday, May 7 |
| » Defeated Indians (10-13), 4-2 | Cleveland Stadium (3-0) | 12-9 | Won 5 |
| » W: Reggie Cleveland (2-1) L: Fritz Peterson (2-3) S: Diego Segui (3) | Second | 1½ out |
| Friday, May 9 |
| » Defeated Angels (14-15), 4-1 | Anaheim Stadium (1-0) | 13-9 | Won 6 |
| » W: Rick Wise (3-2) L: Andy Hassler (3-3) | Second | 1 out |
| Saturday, May 10 |
| » Lost to Angels (15-15), 2-0 | Anaheim Stadium (1-1) | 13-10 | |
| » W: Frank Tanana (2-0) L: Luis Tiant (3-4) | Second | 2 out |
| Sunday, May 11 |
| » Defeated Angels (15-16), 5-2 | Anaheim Stadium (2-1) | 14-10 | |
| » W: Bill Lee (4-3) L: Bill Singer (2-5) | Second | 1 out |
| Monday, May 12 |
| » Lost to Athletics (18-12), 5-3 | Oakland-Alameda County Stadium (0-1) | 14-11 | |
| » W: Rollie Fingers (3-2) L: Diego Segui (1-1) S: Paul Lindblad (2) | Second | 1½ out |
| Tuesday, May 13 |
| » Lost to Athletics (19-12), 9-5 | Oakland-Alameda County Stadium (0-2) | 14-12 | Lost 2 |
| » W: Ken Holtzman (2-4) L: Rick Wise (3-3) S: Jim Todd (4) | Second | 1½ out |
| Thursday, May 15 |
| » Lost to Royals (18-16), 3-0 | Fenway Park (5-6) | 14-13 | Lost 3 |
| » W: Steve Busby (6-2) L: Luis Tiant (3-5) | Second | 3 out |
| Former Red Sox Johnny Gooch dies in Nashville, TN at the age of 78. |
| Friday, May 16 |
| » Lost to Royals (19-16), 5-2 | Fenway Park (5-7) | 14-14 | Lost 4 |
| » W: Dennis Leonard (1-1) L: Bill Lee (4-4) | Second | 4 out |
| Saturday, May 17 |
| » Lost to Royals (20-16), 5-3 | Fenway Park (5-8) | 14-15 | Lost 5 |
| » W: Al Fitzmorris (5-3) L: Reggie Cleveland (2-2) S: Doug Bird (5) | Second | 4 out |
| Sunday, May 18 |
| » Defeated Royals (20-17), 4-2 | Fenway Park (6-8) | 15-15 | |
| » W: Rick Wise (4-3) L: Nelson Briles (4-2) | Second | 3 out |
| Monday, May 19 |
| » Defeated Athletics (21-14), 10-5 | Fenway Park (7-8) | 16-15 | Won 2 |
| » W: Luis Tiant (4-5) L: Blue Moon Odom (0-2) | Second | 2½ out |
| Tuesday, May 20 |
| » Defeated Athletics (21-15), 7-0 | Fenway Park (8-8) | 17-15 | Won 3 |
| » W: Bill Lee (5-4) L: Vida Blue (8-2) | Second | 2½ out |
| Wednesday, May 21 |
| » Defeated Athletics (21-16), 7-3 | Fenway Park (9-8) | 18-15 | Won 4 |
| » W: Reggie Cleveland (3-2) L: Ken Holtzman (3-5) | Second | 1½ out |
| Thursday, May 22 |
| » Lost to Angels (21-19), 6-3 | Fenway Park (9-9) | 18-16 | |
| » W: Bill Singer (4-5) L: Rick Wise (4-4) | Second | 1½ out |
| Former Red Sox Lefty Grove dies in Norwalk, OH at the age of 76. |
| Friday, May 23 |
| » Defeated Angels (21-20), 6-1 | Fenway Park (10-9) | 19-16 | |
| » W: Luis Tiant (5-5) L: Nolan Ryan (8-2) | Second | ½ out |
| Saturday, May 24 |
| » Defeated Angels (21-21), 6-0 | Fenway Park (11-9) | 20-16 | Won 2 |
| » W: Bill Lee (6-4) L: Andy Hassler (3-5) | First | -- |
| Sunday, May 25 |
| » Lost to Angels (22-21), 6-1 | Fenway Park (11-10) | 20-17 | |
| » W: Ed Figueroa (3-0) L: Reggie Cleveland (3-3) | First | -- |
| Monday, May 26 |
| » Defeated Rangers (22-20), 7-5 | Arlington Stadium (1-0) | 21-17 | |
| » W: Rick Wise (5-4) L: Steve Foucault (2-1) S: Dick Drago (3) | First | -- |
| Wednesday, May 28 |
| » Defeated Rangers (22-21), 4-1 | Arlington Stadium (2-0) | 22-17 | Won 2 |
| » W: Bill Lee (7-4) L: Fergie Jenkins (5-4) | First | -- |
| Friday, May 30 |
| » Lost to Twins (23-18), 4-3 | Metropolitan Stadium (0-1) | 22-18 | |
| » W: Dave Goltz (4-4) L: Diego Segui (1-2) S: Tom Burgmeier (4) | First | -- |
| Saturday, May 31 |
| » Defeated Twins (23-19), 12-8 | Metropolitan Stadium (1-1) | 23-18 | |
| » W: Roger Moret (2-0) L: Tom Burgmeier (2-2) | First | -- |
| Sunday, June 1 |
| » Defeated Twins (23-20), 11-9 | Metropolitan Stadium (2-1) | 24-18 | Won 2 |
| » W: Luis Tiant (6-5) L: Jim Hughes (6-2) S: Dick Drago (4) | First | -- |
| Monday, June 2 |
| » Lost to White Sox (22-25), 9-2 | Fenway Park (11-11) | 24-19 | |
| » W: Stan Bahnsen (4-4) L: Bill Lee (7-5) | First | -- |
| Tuesday, June 3 |
| » Defeated White Sox (22-26), 4-0 | Fenway Park (12-11) | 25-19 | |
| » W: Dick Pole (1-0) L: Lloyd Allen (0-1) | First | -- |
| Wednesday, June 4 |
| » Defeated White Sox (22-27), 7-6 | Fenway Park (13-11) | 26-19 | Won 2 |
| » W: Roger Moret (3-0) L: Rich Gossage (3-3) | First | -- |
| Friday, June 6 |
| » Defeated Twins (23-24), 13-10 | Fenway Park (14-11) | 27-19 | Won 3 |
| » W: Luis Tiant (7-5) L: Mike Pazik (0-3) S: Dick Drago (5) | First | -- |
| Saturday, June 7 |
| » Defeated Twins (23-25), 3-1 | Fenway Park (15-11) | 28-19 | Won 4 |
| » W: Bill Lee (8-5) L: Ray Corbin (2-3) | First | -- |
| Sunday, June 8 |
| » Lost to Twins (24-25), 7-5 | Fenway Park (15-12) | 28-20 | |
| » W: Dave Goltz (5-5) L: Dick Pole (1-1) S: Tom Burgmeier (5) | First | -- |
| Monday, June 9 |
| » Lost to Rangers (27-27), 12-4 | Fenway Park (15-13) | 28-21 | Lost 2 |
| » W: Jackie Brown (5-5) L: Rick Wise (5-5) | First | -- |
| Tuesday, June 10 |
| » Lost to Rangers (28-27), 8-3 | Fenway Park (15-14) | 28-22 | Lost 3 |
| » W: Fergie Jenkins (6-6) L: Luis Tiant (7-6) | First | -- |
| Wednesday, June 11 |
| » Defeated White Sox (23-32), 9-7 | Comiskey Park I (1-0) | 29-22 | |
| » W: Roger Moret (4-0) L: Rich Gossage (3-5) S: Diego Segui (4) | First | -- |
| Thursday, June 12 |
| » Lost to White Sox (24-32), 9-2 | Comiskey Park I (1-1) | 29-23 | |
| » W: Jim Kaat (9-3) L: Jim Burton (0-1) | First | -- |
| Friday, June 13 |
| » Defeated Royals (34-26), 10-4 | Royals Stadium (1-0) | 30-23 | |
| » W: Rick Wise (6-5) L: Al Fitzmorris (8-4) | First | -- |
| » Lost to Royals (35-26), 6-5 | Royals Stadium (1-1) | 30-24 | |
| » W: Doug Bird (4-2) L: Dick Pole (1-2) | First | -- |
| Saturday, June 14 |
| » Defeated Royals (35-27), 4-3 | Royals Stadium (2-1) | 31-24 | |
| » W: Luis Tiant (8-6) L: Marty Pattin (4-3) | First | -- |
| Sunday, June 15 |
| » Defeated Royals (35-28), 8-7 | Royals Stadium (3-1) | 32-24 | Won 2 |
| » W: Bill Lee (9-5) L: Lindy McDaniel (3-1) S: Roger Moret (1) | First | -- |
| Monday, June 16 |
| » Defeated Tigers (25-31), 6-2 | Tiger Stadium (1-3) | 33-24 | Won 3 |
| » W: Reggie Cleveland (4-3) L: Tom Walker (2-4) | First | -- |
| Tuesday, June 17 |
| » Defeated Tigers (25-32), 7-6 | Tiger Stadium (2-3) | 34-24 | Won 4 |
| » W: Rick Wise (7-5) L: Lerrin LaGrow (4-6) S: Dick Drago (6) | First | -- |
| » Major-league debuts: Ike Brookens (Tigers) |
| Future Red Sox Donnie Sadler is born in Gohlson, TX. |
| Wednesday, June 18 |
| » Defeated Tigers (25-33), 15-1 | Tiger Stadium (3-3) | 35-24 | Won 5 |
| » W: Luis Tiant (9-6) L: Joe Coleman (3-10) | First | -- |
| Friday, June 20 |
| » Defeated Orioles (28-33), 4-3 | Memorial Stadium (3-1) | 36-24 | Won 6 |
| » W: Dick Drago (1-0) L: Dyar Miller (1-2) | First | -- |
| Saturday, June 21 |
| » Lost to Orioles (29-33), 3-0 | Memorial Stadium (3-2) | 36-25 | |
| » W: Jim Palmer (12-3) L: Dick Pole (1-3) | First | -- |
| Sunday, June 22 |
| » Lost to Orioles (30-33), 3-0 | Memorial Stadium (3-3) | 36-26 | Lost 2 |
| » W: Mike Cuellar (5-5) L: Rick Wise (7-6) | First | -- |
| » Defeated Orioles (30-34), 5-1 | Memorial Stadium (4-3) | 37-26 | |
| » W: Luis Tiant (10-6) L: Doyle Alexander (1-4) | First | -- |
| » Major-league debuts: Royle Stillman (Orioles) |
| Monday, June 23 |
| » Lost to Indians (26-39), 11-3 | Fenway Park (15-15) | 37-27 | |
| » W: Eric Raich (3-2) L: Jim Burton (0-2) | First | -- |
| Tuesday, June 24 |
| » Lost to Indians (27-39), 8-6 | Fenway Park (15-16) | 37-28 | Lost 2 |
| » W: Tom Buskey (4-3) L: Dick Drago (1-1) | Second | 1½ out |
| Wednesday, June 25 |
| » Lost to Indians (28-39), 8-5 | Fenway Park (15-17) | 37-29 | Lost 3 |
| » W: Roric Harrison (4-6) L: Dick Pole (1-4) S: Tom Buskey (5) | Second | 1½ out |
| Thursday, June 26 |
| » Defeated Yankees (40-30), 6-1 | Fenway Park (16-17) | 38-29 | |
| » W: Luis Tiant (11-6) L: Pat Dobson (8-6) | Second | 1½ out |
| Friday, June 27 |
| » Defeated Yankees (40-31), 9-1 | Fenway Park (17-17) | 39-29 | Won 2 |
| » W: Rick Wise (8-6) L: Larry Gura (2-2) | First | -- |
| Saturday, June 28 |
| » Lost to Yankees (41-31), 8-6 | Fenway Park (17-18) | 39-30 | |
| » W: Dick Tidrow (5-0) L: Reggie Cleveland (4-4) | Second | 1½ out |
| Sunday, June 29 |
| » Defeated Yankees (41-32), 3-2 | Fenway Park (18-18) | 40-30 | |
| » W: Roger Moret (5-0) L: Catfish Hunter (11-7) | First | -- |
| Monday, June 30 |
| » Defeated Orioles (33-39), 5-2 | Fenway Park (19-18) | 41-30 | Won 2 |
| » W: Dick Pole (2-4) L: Jim Palmer (12-5) S: Diego Segui (5) | First | -- |
| » Lost to Orioles (34-39), 8-2 | Fenway Park (19-19) | 41-31 | |
| » W: Doyle Alexander (2-5) L: Luis Tiant (11-7) S: Grant Jackson (3) | First | -- |
| Tuesday, July 1 |
| » Lost to Orioles (35-39), 10-6 | Fenway Park (19-20) | 41-32 | Lost 2 |
| » W: Grant Jackson (2-2) L: Reggie Cleveland (4-5) | First | -- |
| » Major-league debuts: Paul Mitchell (Orioles) |
| Wednesday, July 2 |
| » Defeated Brewers (41-35), 6-3 | County Stadium (1-0) | 42-32 | |
| » W: Rick Wise (9-6) L: Bill Castro (3-2) | First | -- |
| » Lost to Brewers (42-35), 4-3 | County Stadium (1-1) | 42-33 | |
| » W: Pete Broberg (9-7) L: Bill Lee (9-6) | First | -- |
| Thursday, July 3 |
| » Lost to Brewers (43-35), 3-2 | County Stadium (1-2) | 42-34 | Lost 2 |
| » W: Rick Austin (2-0) L: Diego Segui (1-3) | First | -- |
| Friday, July 4 |
| » Lost to Indians (35-42), 3-2 | Cleveland Stadium (3-1) | 42-35 | Lost 3 |
| » W: Eric Raich (5-2) L: Luis Tiant (11-8) S: Dave LaRoche (4) | First | -- |
| Saturday, July 5 |
| » Lost to Indians (36-42), 12-2 | Cleveland Stadium (3-2) | 42-36 | Lost 4 |
| » W: Roric Harrison (6-6) L: Steve Barr (0-1) | Second | 1 out |
| Sunday, July 6 |
| » Defeated Indians (36-43), 5-3 | Cleveland Stadium (4-2) | 43-36 | |
| » W: Bill Lee (10-6) L: Jim Bibby (3-9) S: Dick Drago (7) | First | -- |
| » Lost to Indians (37-43), 11-10 | Cleveland Stadium (4-3) | 43-37 | |
| » W: Fred Beene (1-0) L: Reggie Cleveland (4-6) S: Dave LaRoche (5) | First | -- |
| Monday, July 7 |
| » Defeated Twins (37-45), 6-3 | Fenway Park (20-20) | 44-37 | |
| » W: Rick Wise (10-6) L: Jim Hughes (7-7) S: Jim Willoughby (1) | First | -- |
| Tuesday, July 8 |
| » Defeated Twins (37-46), 6-5 | Fenway Park (21-20) | 45-37 | Won 2 |
| » W: Reggie Cleveland (5-6) L: Tom Johnson (0-1) | First | -- |
| Wednesday, July 9 |
| » Defeated Twins (37-47), 9-8 | Fenway Park (22-20) | 46-37 | Won 3 |
| » W: Diego Segui (2-3) L: Tom Burgmeier (4-5) | First | -- |
| Thursday, July 10 |
| » Defeated Rangers (41-46), 8-7 | Fenway Park (23-20) | 47-37 | Won 4 |
| » W: Reggie Cleveland (6-6) L: Gaylord Perry (7-14) | First | -- |
| Friday, July 11 |
| » Defeated Rangers (41-47), 11-8 | Fenway Park (24-20) | 48-37 | Won 5 |
| » W: Jim Burton (1-2) L: Stan Thomas (4-2) S: Diego Segui (6) | First | -- |
| Saturday, July 12 |
| » Defeated Rangers (41-48), 10-4 | Fenway Park (25-20) | 49-37 | Won 6 |
| » W: Luis Tiant (12-8) L: Fergie Jenkins (10-10) | First | -- |
| Sunday, July 13 |
| » Defeated Rangers (41-49), 7-5 | Fenway Park (26-20) | 50-37 | Won 7 |
| » W: Rick Wise (11-6) L: Steve Hargan (6-5) S: Jim Willoughby (2) | First | -- |
| Thursday, July 17 |
| » Defeated Royals (47-42), 8-3 | Fenway Park (27-20) | 51-37 | Won 8 |
| » W: Luis Tiant (13-8) L: Al Fitzmorris (9-7) | First | -- |
| Friday, July 18 |
| » Defeated Royals (47-43), 9-3 | Fenway Park (28-20) | 52-37 | Won 9 |
| » W: Bill Lee (11-6) L: Steve Busby (11-8) | First | -- |
| Saturday, July 19 |
| » Defeated Rangers (43-50), 8-0 | Arlington Stadium (3-0) | 53-37 | Won 10 |
| » W: Rick Wise (12-6) L: Bill Hands (5-6) | First | -- |
| Sunday, July 20 |
| » Lost to Rangers (44-50), 10-5 | Arlington Stadium (3-1) | 53-38 | |
| » W: Clyde Wright (2-3) L: Roger Moret (5-1) S: Jim Umbarger (2) | First | -- |
| » Defeated Rangers (44-51), 3-2 | Arlington Stadium (4-1) | 54-38 | |
| » W: Reggie Cleveland (7-6) L: Steve Hargan (6-6) S: Jim Willoughby (3) | First | -- |
| Monday, July 21 |
| » Lost to Rangers (45-51), 6-0 | Arlington Stadium (4-2) | 54-39 | |
| » W: Fergie Jenkins (12-10) L: Luis Tiant (13-9) | First | -- |
| Tuesday, July 22 |
| » Defeated Twins (41-54), 5-4 | Metropolitan Stadium (3-1) | 55-39 | |
| » W: Bill Lee (12-6) L: Dave Goltz (7-8) | First | -- |
| Wednesday, July 23 |
| » Defeated Twins (41-55), 4-2 | Metropolitan Stadium (4-1) | 56-39 | Won 2 |
| » W: Roger Moret (6-1) L: Jim Hughes (8-8) S: Jim Willoughby (4) | First | -- |
| Thursday, July 24 |
| » Defeated Twins (41-56), 6-2 | Metropolitan Stadium (5-1) | 57-39 | Won 3 |
| » W: Rick Wise (13-6) L: Joe Decker (1-3) | First | -- |
| Friday, July 25 |
| » Lost to Yankees (50-47), 8-6 | Shea Stadium (2-1) | 57-40 | |
| » W: Rudy May (9-6) L: Luis Tiant (13-10) S: Tippy Martinez (2) | First | -- |
| Saturday, July 26 |
| » Defeated Yankees (50-48), 4-2 | Shea Stadium (3-1) | 58-40 | |
| » W: Reggie Cleveland (8-6) L: Pat Dobson (9-11) S: Jim Willoughby (5) | First | -- |
| Sunday, July 27 |
| » Defeated Yankees (50-49), 1-0 | Shea Stadium (4-1) | 59-40 | Won 2 |
| » W: Bill Lee (13-6) L: Catfish Hunter (13-10) | First | -- |
| » Defeated Yankees (50-50), 6-0 | Shea Stadium (5-1) | 60-40 | Won 3 |
| » W: Roger Moret (7-1) L: Tippy Martinez (1-1) | First | -- |
| Future Red Sox Shea Hillenbrand is born in Mesa, AZ. |
| Monday, July 28 |
| » Defeated Brewers (50-53), 7-6 | Fenway Park (29-20) | 61-40 | Won 4 |
| » W: Jim Willoughby (1-0) L: Tom Murphy (1-2) | First | -- |
| Tuesday, July 29 |
| » Lost to Brewers (51-53), 4-0 | Fenway Park (29-21) | 61-41 | |
| » W: Jim Colborn (7-8) L: Diego Segui (2-4) | First | -- |
| Wednesday, July 30 |
| » Lost to Brewers (52-53), 6-2 | Fenway Park (29-22) | 61-42 | Lost 2 |
| » W: Jim Slaton (10-10) L: Reggie Cleveland (8-7) | First | -- |
| Thursday, July 31 |
| » Defeated Tigers (46-58), 3-2 | Fenway Park (30-22) | 62-42 | |
| » W: Bill Lee (14-6) L: Bob Reynolds (0-2) | First | -- |
| » Defeated Tigers (46-59), 6-1 | Fenway Park (31-22) | 63-42 | Won 2 |
| » W: Roger Moret (8-1) L: Dave Lemanczyk (0-3) | First | -- |
| Friday, August 1 |
| » Defeated Tigers (46-60), 8-7 | Fenway Park (32-22) | 64-42 | Won 3 |
| » W: Jim Willoughby (2-0) L: Gene Pentz (0-1) | First | -- |
| Saturday, August 2 |
| » Defeated Tigers (46-61), 7-2 | Fenway Park (33-22) | 65-42 | Won 4 |
| » W: Rick Wise (14-6) L: Vern Ruhle (9-8) | First | -- |
| Sunday, August 3 |
| » Defeated Tigers (46-62), 6-4 | Fenway Park (34-22) | 66-42 | Won 5 |
| » W: Reggie Cleveland (9-7) L: Tom Walker (3-8) S: Jim Willoughby (6) | First | -- |
| Monday, August 4 |
| » Lost to Orioles (56-50), 12-8 | Fenway Park (34-23) | 66-43 | |
| » W: Doyle Alexander (4-7) L: Jim Willoughby (2-1) S: Dyar Miller (4) | First | -- |
| Tuesday, August 5 |
| » Lost to Orioles (57-50), 3-0 | Fenway Park (34-24) | 66-44 | Lost 2 |
| » W: Jim Palmer (16-7) L: Luis Tiant (13-11) | First | -- |
| Wednesday, August 6 |
| » Defeated Brewers (53-59), 5-2 | County Stadium (2-2) | 67-44 | |
| » W: Jim Willoughby (3-1) L: Tom Murphy (1-4) | First | -- |
| Thursday, August 7 |
| » Defeated Brewers (53-60), 4-2 | County Stadium (3-2) | 68-44 | Won 2 |
| » W: Rick Wise (15-6) L: Jim Slaton (11-11) | First | -- |
| Friday, August 8 |
| » Lost to Athletics (70-43), 3-2 | Oakland-Alameda County Stadium (0-3) | 68-45 | |
| » W: Ken Holtzman (14-9) L: Reggie Cleveland (9-8) S: Rollie Fingers (15) | First | -- |
| Saturday, August 9 |
| » Defeated Athletics (70-44), 7-2 | Oakland-Alameda County Stadium (1-3) | 69-45 | |
| » W: Bill Lee (15-6) L: Sonny Siebert (5-5) | First | -- |
| Sunday, August 10 |
| » Defeated Athletics (70-45), 5-3 | Oakland-Alameda County Stadium (2-3) | 70-45 | Won 2 |
| » W: Luis Tiant (14-11) L: Dick Bosman (7-4) S: Jim Willoughby (7) | First | -- |
| Monday, August 11 |
| » Lost to Athletics (71-45), 4-3 | Oakland-Alameda County Stadium (2-4) | 70-46 | |
| » W: Vida Blue (16-8) L: Roger Moret (8-2) S: Jim Todd (8) | First | -- |
| Tuesday, August 12 |
| » Defeated Angels (52-67), 8-2 | Anaheim Stadium (3-1) | 71-46 | |
| » W: Rick Wise (16-6) L: Chuck Hockenbery (0-2) | First | -- |
| Wednesday, August 13 |
| » Lost to Angels (53-67), 8-3 | Anaheim Stadium (3-2) | 71-47 | |
| » W: Ed Figueroa (11-8) L: Reggie Cleveland (9-9) | First | -- |
| Thursday, August 14 |
| » Lost to Angels (54-67), 5-3 | Anaheim Stadium (3-3) | 71-48 | Lost 2 |
| » W: Bill Singer (7-11) L: Bill Lee (15-7) S: Don Kirkwood (7) | First | -- |
| Friday, August 15 |
| » Defeated White Sox (58-61), 3-2 | Comiskey Park I (2-1) | 72-48 | |
| » W: Luis Tiant (15-11) L: Jesse Jefferson (3-7) | First | -- |
| Saturday, August 16 |
| » Defeated White Sox (58-62), 5-0 | Comiskey Park I (3-1) | 73-48 | Won 2 |
| » W: Roger Moret (9-2) L: Wilbur Wood (12-16) S: Jim Willoughby (8) | First | -- |
| Future Red Sox Jin Ho Cho is born in Jun Ju City, South Korea. Future Red Sox Michael Coleman is born in Nashville, TN. |
| Sunday, August 17 |
| » Lost to White Sox (59-62), 6-2 | Comiskey Park I (3-2) | 73-49 | |
| » W: Dave Hamilton (5-4) L: Rick Wise (16-7) S: Rich Gossage (18) | First | -- |
| » Defeated White Sox (59-63), 4-3 | Comiskey Park I (4-2) | 74-49 | |
| » W: Jim Willoughby (4-1) L: Rich Gossage (7-7) | First | -- |
| Tuesday, August 19 |
| » Defeated Royals (67-54), 5-0 | Royals Stadium (4-1) | 75-49 | Won 2 |
| » W: Bill Lee (16-7) L: Al Fitzmorris (12-10) | First | -- |
| Wednesday, August 20 |
| » Lost to Royals (68-54), 3-1 | Royals Stadium (4-2) | 75-50 | |
| » W: Dennis Leonard (9-5) L: Luis Tiant (15-12) | First | -- |
| Friday, August 22 |
| » Defeated White Sox (62-64), 2-1 | Fenway Park (35-24) | 76-50 | |
| » W: Roger Moret (10-2) L: Claude Osteen (6-12) | First | -- |
| Saturday, August 23 |
| » Lost to White Sox (63-64), 6-4 | Fenway Park (35-25) | 76-51 | |
| » W: Jesse Jefferson (4-7) L: Rick Wise (16-8) S: Rich Gossage (20) | First | -- |
| Sunday, August 24 |
| » Defeated White Sox (63-65), 6-1 | Fenway Park (36-25) | 77-51 | |
| » W: Bill Lee (17-7) L: Wilbur Wood (13-17) | First | -- |
| Tuesday, August 26 |
| » Lost to Angels (61-71), 8-2 | Fenway Park (36-26) | 77-52 | |
| » W: Ed Figueroa (12-10) L: Luis Tiant (15-13) | First | -- |
| Wednesday, August 27 |
| » Defeated Angels (61-72), 6-2 | Fenway Park (37-26) | 78-52 | |
| » W: Roger Moret (11-2) L: Bill Singer (7-13) S: Dick Drago (8) | First | -- |
| Friday, August 29 |
| » Defeated Athletics (79-54), 6-1 | Fenway Park (38-26) | 79-52 | Won 2 |
| » W: Rick Wise (17-8) L: Stan Bahnsen (9-12) | First | -- |
| Saturday, August 30 |
| » Lost to Athletics (80-54), 7-6 | Fenway Park (38-27) | 79-53 | |
| » W: Rollie Fingers (9-6) L: Dick Drago (1-2) | First | -- |
| Sunday, August 31 |
| » Lost to Athletics (81-54), 8-6 | Fenway Park (38-28) | 79-54 | Lost 2 |
| » W: Rollie Fingers (10-6) L: Diego Segui (2-5) | First | -- |
| Monday, September 1 |
| » Lost to Yankees (68-67), 4-2 | Fenway Park (38-29) | 79-55 | Lost 3 |
| » W: Doc Medich (12-15) L: Roger Moret (11-3) S: Tippy Martinez (6) | First | -- |
| Tuesday, September 2 |
| » Defeated Yankees (68-68), 7-4 | Fenway Park (39-29) | 80-55 | |
| » W: Reggie Cleveland (10-9) L: Pat Dobson (11-14) S: Dick Drago (9) | First | -- |
| Wednesday, September 3 |
| » Defeated Orioles (74-62), 3-2 | Memorial Stadium (5-3) | 81-55 | Won 2 |
| » W: Rick Wise (18-8) L: Jim Palmer (20-9) | First | -- |
| Thursday, September 4 |
| » Defeated Orioles (74-63), 3-1 | Memorial Stadium (6-3) | 82-55 | Won 3 |
| » W: Dick Pole (3-4) L: Mike Torrez (16-8) S: Dick Drago (10) | First | -- |
| Friday, September 5 |
| » Lost to Brewers (61-79), 4-2 | County Stadium (3-3) | 82-56 | |
| » W: Pete Broberg (12-13) L: Bill Lee (17-8) | First | -- |
| Saturday, September 6 |
| » Defeated Brewers (61-80), 20-6 | County Stadium (4-3) | 83-56 | |
| » W: Roger Moret (12-3) L: Bill Travers (5-9) | First | -- |
| » Major-league debuts: Rick Kreuger (Red Sox) |
| Sunday, September 7 |
| » Defeated Brewers (61-81), 6-3 | County Stadium (5-3) | 84-56 | Won 2 |
| » W: Reggie Cleveland (11-9) L: Jim Colborn (10-10) S: Dick Drago (11) | First | -- |
| » Lost to Brewers (62-81), 7-3 | County Stadium (5-4) | 84-57 | |
| » W: Bill Travers (6-9) L: Dick Pole (3-5) | First | -- |
| » Major-league debuts: Butch Hobson (Red Sox) |
| Monday, September 8 |
| » Lost to Indians (68-70), 4-1 | Cleveland Stadium (4-4) | 84-58 | Lost 2 |
| » W: Don Hood (6-8) L: Rick Wise (18-9) | First | -- |
| Tuesday, September 9 |
| » Lost to Indians (69-70), 3-2 | Cleveland Stadium (4-5) | 84-59 | Lost 3 |
| » W: Rick Waits (4-1) L: Bill Lee (17-9) | First | -- |
| Wednesday, September 10 |
| » Defeated Tigers (54-90), 7-4 | Fenway Park (40-29) | 85-59 | |
| » W: Roger Moret (13-3) L: Vern Ruhle (11-11) S: Dick Drago (12) | First | -- |
| » Lost to Tigers (55-90), 5-3 | Fenway Park (40-30) | 85-60 | |
| » W: Fernando Arroyo (2-0) L: Jim Willoughby (4-2) | First | -- |
| Thursday, September 11 |
| » Defeated Tigers (55-91), 3-1 | Fenway Park (41-30) | 86-60 | |
| » W: Luis Tiant (16-13) L: Dave Lemanczyk (2-6) | First | -- |
| Friday, September 12 |
| » Major-league debuts: Roy Staiger (Mets) |
| Saturday, September 13 |
| » Lost to Brewers (63-85), 9-6 | Fenway Park (41-31) | 86-61 | |
| » W: Pete Broberg (13-14) L: Rick Wise (18-10) S: Tom Murphy (18) | First | -- |
| » Defeated Brewers (63-86), 6-3 | Fenway Park (42-31) | 87-61 | |
| » W: Reggie Cleveland (12-9) L: Bill Travers (6-10) S: Jim Burton (1) | First | -- |
| Sunday, September 14 |
| » Defeated Brewers (63-87), 8-6 | Fenway Park (43-31) | 88-61 | Won 2 |
| » W: Jim Willoughby (5-2) L: Tom Murphy (1-7) S: Dick Drago (13) | First | -- |
| Monday, September 15 |
| » Defeated Brewers (63-88), 9-7 | Fenway Park (44-31) | 89-61 | Won 3 |
| » W: Roger Moret (14-3) L: Jim Colborn (10-12) | First | -- |
| Future Red Sox Dan Smith is born in Flemington, NJ. |
| Tuesday, September 16 |
| » Defeated Orioles (84-66), 2-0 | Fenway Park (45-31) | 90-61 | Won 4 |
| » W: Luis Tiant (17-13) L: Jim Palmer (21-11) | First | -- |
| Wednesday, September 17 |
| » Lost to Orioles (85-66), 5-2 | Fenway Park (45-32) | 90-62 | |
| » W: Mike Torrez (19-8) L: Rick Wise (18-11) S: Dyar Miller (8) | First | -- |
| Friday, September 19 |
| » Defeated Tigers (56-97), 7-5 | Tiger Stadium (4-3) | 91-62 | |
| » W: Dick Pole (4-5) L: Ed Glynn (0-1) S: Dick Drago (14) | First | -- |
| » Major-league debuts: Ed Glynn and Steve Grilli (Tigers) |
| Saturday, September 20 |
| » Lost to Tigers (57-97), 5-1 | Tiger Stadium (4-4) | 91-63 | |
| » W: Mickey Lolich (12-18) L: Luis Tiant (17-14) | First | -- |
| Sunday, September 21 |
| » Defeated Tigers (57-98), 6-5 | Tiger Stadium (5-4) | 92-63 | |
| » W: Dick Drago (2-2) L: Gene Pentz (0-4) | First | -- |
| Monday, September 22 |
| » Defeated Yankees (80-76), 6-4 | Shea Stadium (6-1) | 93-63 | Won 2 |
| » W: Rick Wise (19-11) L: Ron Guidry (0-1) S: Dick Drago (15) | First | -- |
| Friday, September 26 |
| » Defeated Indians (77-79), 4-0 | Fenway Park (46-32) | 94-63 | Won 3 |
| » W: Luis Tiant (18-14) L: Dennis Eckersley (13-7) | First | -- |
| » Defeated Indians (77-80), 4-0 | Fenway Park (47-32) | 95-63 | Won 4 |
| » W: Reggie Cleveland (13-9) L: Don Hood (6-10) | First | -- |
| Saturday, September 27 |
| » Lost to Indians (78-80), 5-2 | Fenway Park (47-33) | 95-64 | |
| » W: Rick Waits (6-2) L: Rick Wise (19-12) | First | -- |
| Sunday, September 28 |
| » Lost to Indians (79-80), 11-4 | Fenway Park (47-34) | 95-65 | Lost 2 |
| » W: Eric Raich (7-8) L: Dick Pole (4-6) S: Jim Strickland (1) | First | -- |
| » Major-league debuts: Steve Dillard (Red Sox) |
| Former Red Sox Moose Solters dies in Pittsburgh, PA at the age of 70. |
| Thursday, October 30 |
| Future Red Sox Andy Dominique is born in Tarzana, CA. |
| Tuesday, November 18 |
| Future Red Sox David Ortiz is born in Santo Domingo, D.R. |
| Monday, December 8 |
| Future Red Sox Brian Barkley is born in Conroe, TX. |
Game information provided by Retrosheet (www.retrosheet.org) |