| Tuesday, January 9 |
| Former Red Sox Lyn Lary dies in Downey, CA at the age of 67. |
| Saturday, January 20 |
| Future Red Sox Julio Santana is born in San Pedro de Macoris, D.R. |
| Tuesday, March 13 |
| Future Red Sox Dario Veras is born in Santiago, D.R. |
| Thursday, April 5 |
| » Major-league debuts: Gene Locklear (Reds) |
| Friday, April 6 |
| » Defeated Yankees (0-1), 15-5 | Fenway Park (1-0) | 1-0 | |
| » Starters: Mel Stottlemyre vs Luis Tiant | First | -- |
| Saturday, April 7 |
| » Defeated Yankees (0-2), 10-5 | Fenway Park (2-0) | 2-0 | Won 2 |
| » Starters: Steve Kline vs Marty Pattin | First | -- |
| Sunday, April 8 |
| » Defeated Yankees (0-3), 4-3 | Fenway Park (3-0) | 3-0 | Won 3 |
| » Starters: Doc Medich vs John Curtis | First | -- |
| » Major-league debuts: Mario Guerrero (Red Sox) |
| Saturday, April 14 |
| » Defeated Yankees (2-5), 3-1 | Yankee Stadium (1-0) | 4-0 | Won 4 |
| » Starters: Luis Tiant vs Fritz Peterson | First | -- |
| Sunday, April 15 |
| » Lost to Yankees (3-5), 6-2 | Yankee Stadium (1-1) | 4-1 | |
| » Starters: John Curtis vs Mel Stottlemyre | First | -- |
| Monday, April 16 |
| » Lost to Tigers (4-4), 9-7 | Fenway Park (3-1) | 4-2 | Lost 2 |
| » Starters: Mickey Lolich vs Marty Pattin | Second | 1 out |
| Tuesday, April 17 |
| » Lost to Tigers (5-4), 6-3 | Fenway Park (3-2) | 4-3 | Lost 3 |
| » Starters: Joe Coleman vs Lynn McGlothen | Second | 2 out |
| Wednesday, April 18 |
| » Lost to Tigers (6-4), 7-1 | Fenway Park (3-3) | 4-4 | Lost 4 |
| » Starters: Jim Perry vs Luis Tiant | Third | 2 out |
| Thursday, April 19 |
| » Lost to Tigers (7-4), 11-7 | Fenway Park (3-4) | 4-5 | Lost 5 |
| » Starters: Woodie Fryman vs John Curtis | Third | 2 out |
| Friday, April 20 |
| » Lost to Indians (5-7), 3-2 | Cleveland Stadium (0-1) | 4-6 | Lost 6 |
| » Starters: Marty Pattin vs Gaylord Perry | Fifth | 3 out |
| Saturday, April 21 |
| » Defeated Indians (5-8), 11-5 | Cleveland Stadium (1-1) | 5-6 | |
| » Starters: Lynn McGlothen vs Dick Tidrow | Third | 2 out |
| Sunday, April 22 |
| » Lost to Indians (6-8), 8-7 | Cleveland Stadium (1-2) | 5-7 | |
| » Starters: Luis Tiant vs Brent Strom | Fourth | 2½ out |
| » Defeated Indians (6-9), 5-2 | Cleveland Stadium (2-2) | 6-7 | |
| » Starters: Roger Moret vs Steve Dunning | Fourth | 2½ out |
| Tuesday, April 24 |
| » Lost to Twins (9-4), 6-4 | Fenway Park (3-5) | 6-8 | |
| » Starters: Dick Woodson vs Marty Pattin | Fourth | 2½ out |
| Wednesday, April 25 |
| » Defeated Twins (9-5), 4-3 | Fenway Park (4-5) | 7-8 | |
| » Starters: Bill Hands vs Lynn McGlothen | Fourth | 1½ out |
| Saturday, April 28 |
| » Lost to White Sox (9-5), 2-1 | Fenway Park (4-6) | 7-9 | |
| » Starters: Stan Bahnsen vs Luis Tiant | Fourth | 2 out |
| Sunday, April 29 |
| » Lost to White Sox (10-5), 5-0 | Fenway Park (4-7) | 7-10 | Lost 2 |
| » Starters: Wilbur Wood vs Marty Pattin | Sixth | 2 out |
| Tuesday, May 1 |
| » Lost to Rangers (7-10), 7-6 | Fenway Park (4-8) | 7-11 | Lost 3 |
| » Starters: Rich Hand vs Bill Lee | Fifth | 2½ out |
| Wednesday, May 2 |
| » Defeated Rangers (7-11), 6-2 | Fenway Park (5-8) | 8-11 | |
| » Starters: Pete Broberg vs Luis Tiant | Fourth | 1½ out |
| Friday, May 4 |
| » Lost to Twins (10-9), 9-6 | Metropolitan Stadium (0-1) | 8-12 | |
| » Starters: Marty Pattin vs Jim Kaat | Fifth | 1½ out |
| » Major-league debuts: Craig Skok (Red Sox) |
| Saturday, May 5 |
| » Defeated Twins (10-10), 5-1 | Metropolitan Stadium (1-1) | 9-12 | |
| » Starters: Bill Lee vs Bert Blyleven | Fifth | 1½ out |
| Sunday, May 6 |
| » Lost to Twins (11-10), 10-3 | Metropolitan Stadium (1-2) | 9-13 | |
| » Starters: Luis Tiant vs Bill Hands | Sixth | 1½ out |
| Monday, May 7 |
| » Defeated White Sox (15-6), 4-1 | Comiskey Park I (1-0) | 10-13 | |
| » Starters: John Curtis vs Stan Bahnsen | Third | 1 out |
| Tuesday, May 8 |
| » Lost to White Sox (16-6), 1-0 | Comiskey Park I (1-1) | 10-14 | |
| » Starters: Marty Pattin vs Eddie Fisher | Sixth | 1½ out |
| Thursday, May 10 |
| » Defeated Indians (13-16), 4-3 | Fenway Park (6-8) | 11-14 | |
| » Starters: Dick Tidrow vs Bill Lee | Fifth | 1 out |
| Friday, May 11 |
| » Defeated Indians (13-17), 4-2 | Fenway Park (7-8) | 12-14 | Won 2 |
| » Starters: Brent Strom vs Luis Tiant | Third | 1½ out |
| Saturday, May 12 |
| » Lost to Indians (14-17), 10-2 | Fenway Park (7-9) | 12-15 | |
| » Starters: Gaylord Perry vs John Curtis | Fifth | 1 out |
| Sunday, May 13 |
| » Defeated Indians (14-18), 8-3 | Fenway Park (8-9) | 13-15 | |
| » Starters: Milt Wilcox vs Marty Pattin | Third | 1 out |
| Monday, May 14 |
| » Defeated Orioles (14-17), 1-0 | Fenway Park (9-9) | 14-15 | Won 2 |
| » Starters: Doyle Alexander vs Bill Lee | First | -- |
| Wednesday, May 16 |
| » Lost to Tigers (16-17), 6-5 | Tiger Stadium (0-1) | 14-16 | |
| » Starters: Luis Tiant vs Mickey Lolich | Fourth | 1½ out |
| Thursday, May 17 |
| » Lost to Tigers (17-17), 1-0 | Tiger Stadium (0-2) | 14-17 | Lost 2 |
| » Starters: John Curtis vs Jim Perry | Fourth | 1½ out |
| Friday, May 18 |
| » Lost to Tigers (18-17), 5-4 | Tiger Stadium (0-3) | 14-18 | Lost 3 |
| » Starters: Marty Pattin vs Woodie Fryman | Fourth | 2½ out |
| Saturday, May 19 |
| » Lost to Orioles (17-17), 3-1 | Memorial Stadium (0-1) | 14-19 | Lost 4 |
| » Starters: Bill Lee vs Doyle Alexander | Sixth | 3½ out |
| Monday, May 21 |
| » Defeated Orioles (17-18), 4-1 | Memorial Stadium (1-1) | 15-19 | |
| » Starters: Luis Tiant vs Jim Palmer | Fifth | 3 out |
| Tuesday, May 22 |
| » Lost to Brewers (18-19), 4-2 | Fenway Park (9-10) | 15-20 | |
| » Starters: Jim Colborn vs John Curtis | Sixth | 3 out |
| Wednesday, May 23 |
| » Defeated Brewers (18-20), 5-3 | Fenway Park (10-10) | 16-20 | |
| » Starters: Jerry Bell vs Marty Pattin | Fourth | 2 out |
| Thursday, May 24 |
| » Defeated Brewers (18-21), 10-1 | Fenway Park (11-10) | 17-20 | Won 2 |
| » Starters: Bill Champion vs Bill Lee | Fifth | 2 out |
| Sunday, May 27 |
| » Lost to Royals (25-20), 13-3 | Royals Stadium (0-1) | 17-21 | |
| » Starters: Luis Tiant vs Gene Garber | Fifth | 3 out |
| » Defeated Royals (25-21), 7-2 | Royals Stadium (1-1) | 18-21 | |
| » Starters: John Curtis vs Steve Busby | Fifth | 3 out |
| Monday, May 28 |
| » Lost to Royals (26-21), 5-4 | Royals Stadium (1-2) | 18-22 | |
| » Starters: Marty Pattin vs Dick Drago | Fifth | 4 out |
| Tuesday, May 29 |
| » Defeated Angels (23-19), 2-1 | Fenway Park (12-10) | 19-22 | |
| » Starters: Nolan Ryan vs Bill Lee | Fourth | 3½ out |
| Wednesday, May 30 |
| » Defeated Angels (23-20), 2-1 | Fenway Park (13-10) | 20-22 | Won 2 |
| » Starters: Clyde Wright vs Luis Tiant | Fourth | 3½ out |
| Thursday, May 31 |
| » Lost to Angels (24-20), 7-6 | Fenway Park (13-11) | 20-23 | |
| » Starters: Rudy May vs John Curtis | Fourth | 3½ out |
| Friday, June 1 |
| » Defeated Athletics (24-25), 6-2 | Fenway Park (14-11) | 21-23 | |
| » Starters: Dave Hamilton vs Marty Pattin | Third | 3½ out |
| Future Red Sox Derek Lowe is born in Dearborn, MI. Former Red Sox Fred Heimach dies in Ft.Myers, FL at the age of 73. |
| Saturday, June 2 |
| » Lost to Athletics (25-25), 3-1 | Fenway Park (14-12) | 21-24 | |
| » Starters: Catfish Hunter vs Bill Lee | Fourth | 3½ out |
| Former Red Sox Lore Bader dies in LeRoy, KS at the age of 86. |
| Sunday, June 3 |
| » Lost to Athletics (26-25), 12-1 | Fenway Park (14-13) | 21-25 | Lost 2 |
| » Starters: Vida Blue vs Luis Tiant | Fifth | 4½ out |
| Monday, June 4 |
| » Defeated Royals (30-24), 9-3 | Fenway Park (15-13) | 22-25 | |
| » Starters: Gene Garber vs John Curtis | Fifth | 4 out |
| Tuesday, June 5 |
| » Defeated Royals (30-25), 9-2 | Fenway Park (16-13) | 23-25 | Won 2 |
| » Starters: Dick Drago vs Marty Pattin | Fifth | 4 out |
| Wednesday, June 6 |
| » Defeated Royals (30-26), 5-4 | Fenway Park (17-13) | 24-25 | Won 3 |
| » Starters: Ken Wright vs Bill Lee | Fourth | 3 out |
| Friday, June 8 |
| » Lost to Rangers (18-32), 5-2 | Arlington Stadium (0-1) | 24-26 | |
| » Starters: John Curtis vs Pete Broberg | Fifth | 3½ out |
| Saturday, June 9 |
| » Defeated Rangers (18-33), 12-1 | Arlington Stadium (1-1) | 25-26 | |
| » Starters: Marty Pattin vs Steve Dunning | Fifth | 3 out |
| Sunday, June 10 |
| » Defeated Rangers (18-34), 10-1 | Arlington Stadium (2-1) | 26-26 | Won 2 |
| » Starters: Bill Lee vs Sonny Siebert | Fourth | 2 out |
| Tuesday, June 12 |
| » Defeated Angels (27-27), 6-5 | Anaheim Stadium (1-0) | 27-26 | Won 3 |
| » Starters: Luis Tiant vs Nolan Ryan | Fifth | 1½ out |
| Wednesday, June 13 |
| » Lost to Angels (28-27), 7-5 | Anaheim Stadium (1-1) | 27-27 | |
| » Starters: Ray Culp vs Clyde Wright | Fourth | 2 out |
| Thursday, June 14 |
| » Lost to Angels (29-27), 5-3 | Anaheim Stadium (1-2) | 27-28 | Lost 2 |
| » Starters: John Curtis vs Rudy May | Fourth | 2 out |
| Friday, June 15 |
| » Lost to Athletics (32-29), 8-3 | Oakland-Alameda County Stadium (0-1) | 27-29 | Lost 3 |
| » Starters: Marty Pattin vs Catfish Hunter | Fifth | 3 out |
| Saturday, June 16 |
| » Lost to Athletics (33-29), 4-3 | Oakland-Alameda County Stadium (0-2) | 27-30 | Lost 4 |
| » Starters: Bill Lee vs Vida Blue | Fifth | 4 out |
| Sunday, June 17 |
| » Defeated Athletics (33-30), 4-2 | Oakland-Alameda County Stadium (1-2) | 28-30 | |
| » Starters: Luis Tiant vs Ken Holtzman | Fifth | 4 out |
| Monday, June 18 |
| » Lost to Brewers (34-27), 8-3 | County Stadium (0-1) | 28-31 | |
| » Starters: Ray Culp vs Jim Colborn | Fifth | 5 out |
| Tuesday, June 19 |
| » Defeated Brewers (34-28), 8-4 | County Stadium (1-1) | 29-31 | |
| » Starters: Marty Pattin vs Jim Slaton | Fifth | 3 out |
| » Defeated Brewers (34-29), 4-1 | County Stadium (2-1) | 30-31 | Won 2 |
| » Starters: John Curtis vs Chris Short | Fifth | 3 out |
| Wednesday, June 20 |
| » Defeated Brewers (34-30), 3-2 | County Stadium (3-1) | 31-31 | Won 3 |
| » Starters: Bill Lee vs Bill Parsons | Fifth | 2½ out |
| Thursday, June 21 |
| » Lost to Orioles (31-28), 6-3 | Fenway Park (17-14) | 31-32 | |
| » Starters: Jim Palmer vs Luis Tiant | Fifth | 3½ out |
| Saturday, June 23 |
| » Defeated Orioles (31-29), 5-1 | Fenway Park (18-14) | 32-32 | |
| » Starters: Dave McNally vs Ray Culp | Fourth | 4½ out |
| » Lost to Orioles (32-29), 2-1 | Fenway Park (18-15) | 32-33 | |
| » Starters: Jesse Jefferson vs Marty Pattin | Fourth | 4½ out |
| » Major-league debuts: Jesse Jefferson (Orioles) |
| Sunday, June 24 |
| » Defeated Orioles (32-30), 1-0 | Fenway Park (19-15) | 33-33 | |
| » Starters: Doyle Alexander vs John Curtis | Fourth | 5 out |
| Monday, June 25 |
| » Defeated Tigers (32-37), 2-1 | Fenway Park (20-15) | 34-33 | Won 2 |
| » Starters: Jim Perry vs Bill Lee | Fourth | 4 out |
| Tuesday, June 26 |
| » Lost to Tigers (33-37), 4-1 | Fenway Park (20-16) | 34-34 | |
| » Starters: Mike Strahler vs Luis Tiant | Fourth | 5 out |
| Thursday, June 28 |
| » Lost to Indians (27-45), 4-2 | Fenway Park (20-17) | 34-35 | Lost 2 |
| » Starters: Dick Tidrow vs Ray Culp | Fourth | 4 out |
| » Defeated Indians (27-46), 16-7 | Fenway Park (21-17) | 35-35 | |
| » Starters: Dick Bosman vs Marty Pattin | Fourth | 4 out |
| Sunday, July 1 |
| » Lost to Brewers (38-36), 9-5 | Fenway Park (21-18) | 35-36 | |
| » Starters: Jim Colborn vs Bill Lee | Fifth | 6 out |
| » Defeated Brewers (38-37), 4-2 | Fenway Park (22-18) | 36-36 | |
| » Starters: Jim Slaton vs Luis Tiant | Fifth | 6 out |
| Monday, July 2 |
| » Defeated Yankees (45-34), 1-0 | Yankee Stadium (2-1) | 37-36 | Won 2 |
| » Starters: John Curtis vs Fritz Peterson | Fifth | 5 out |
| Tuesday, July 3 |
| » Lost to Yankees (46-34), 3-1 | Yankee Stadium (2-2) | 37-37 | |
| » Starters: Marty Pattin vs Sam McDowell | Fourth | 6 out |
| Wednesday, July 4 |
| » Defeated Yankees (46-35), 2-1 | Yankee Stadium (3-2) | 38-37 | |
| » Starters: Ray Culp vs Mel Stottlemyre | Third | 4 out |
| » Defeated Yankees (46-36), 1-0 | Yankee Stadium (4-2) | 39-37 | Won 2 |
| » Starters: Roger Moret vs Doc Medich | Third | 4 out |
| Thursday, July 5 |
| » Defeated Yankees (46-37), 9-4 | Yankee Stadium (5-2) | 40-37 | Won 3 |
| » Starters: Bill Lee vs Pat Dobson | Fourth | 3 out |
| Friday, July 6 |
| » Defeated White Sox (42-38), 5-2 | Comiskey Park I (2-1) | 41-37 | Won 4 |
| » Starters: Luis Tiant vs Wilbur Wood | Third | 3 out |
| Saturday, July 7 |
| » Defeated White Sox (42-39), 7-3 | Comiskey Park I (3-1) | 42-37 | Won 5 |
| » Starters: John Curtis vs Stan Bahnsen | Second | 3½ out |
| Former Red Sox Paul Musser dies in State College, PA at the age of 85. |
| Sunday, July 8 |
| » Lost to White Sox (43-39), 6-1 | Comiskey Park I (3-2) | 42-38 | |
| » Starters: Marty Pattin vs Steve Stone | Second | 3 out |
| » Defeated White Sox (43-40), 11-2 | Comiskey Park I (4-2) | 43-38 | |
| » Starters: Ray Culp vs Bart Johnson | Second | 3 out |
| Monday, July 9 |
| » Defeated Twins (43-39), 2-0 | Metropolitan Stadium (2-2) | 44-38 | Won 2 |
| » Starters: Bill Lee vs Joe Decker | Second | 3 out |
| Tuesday, July 10 |
| » Defeated Twins (43-40), 2-1 | Metropolitan Stadium (3-2) | 45-38 | Won 3 |
| » Starters: Luis Tiant vs Jim Kaat | First | -- |
| Wednesday, July 11 |
| » Lost to Twins (44-40), 3-0 | Metropolitan Stadium (3-3) | 45-39 | |
| » Starters: John Curtis vs Bert Blyleven | Second | 3 out |
| Thursday, July 12 |
| » Defeated Rangers (30-56), 5-2 | Fenway Park (23-18) | 46-39 | |
| » Starters: David Clyde vs Marty Pattin | Second | 3 out |
| Friday, July 13 |
| » Lost to Rangers (31-56), 4-1 | Fenway Park (23-19) | 46-40 | |
| » Starters: Jim Bibby vs Ray Culp | Second | 3 out |
| Saturday, July 14 |
| » Defeated Rangers (31-57), 6-5 | Fenway Park (24-19) | 47-40 | |
| » Starters: Steve Dunning vs Bill Lee | Second | 3 out |
| Sunday, July 15 |
| » Defeated Rangers (31-58), 3-1 | Fenway Park (25-19) | 48-40 | Won 2 |
| » Starters: Jim Merritt vs Luis Tiant | Second | 3 out |
| Monday, July 16 |
| » Defeated White Sox (46-45), 9-8 | Fenway Park (26-19) | 49-40 | Won 3 |
| » Starters: Bart Johnson vs John Curtis | Second | 2½ out |
| Tuesday, July 17 |
| » Lost to White Sox (47-45), 8-4 | Fenway Park (26-20) | 49-41 | |
| » Starters: Wilbur Wood vs Marty Pattin | Third | 2½ out |
| » Lost to White Sox (48-45), 5-0 | Fenway Park (26-21) | 49-42 | Lost 2 |
| » Starters: Stan Bahnsen vs Ray Culp | Third | 2½ out |
| Wednesday, July 18 |
| » Defeated White Sox (48-46), 6-1 | Fenway Park (27-21) | 50-42 | |
| » Starters: Steve Stone vs Bill Lee | Third | 2½ out |
| Thursday, July 19 |
| » Lost to Twins (48-45), 6-2 | Fenway Park (27-22) | 50-43 | |
| » Starters: Joe Decker vs Luis Tiant | Third | 2 out |
| Friday, July 20 |
| » Defeated Twins (48-46), 5-0 | Fenway Park (28-22) | 51-43 | |
| » Starters: Bert Blyleven vs John Curtis | Third | 2½ out |
| Saturday, July 21 |
| » Defeated Twins (48-47), 3-2 | Fenway Park (29-22) | 52-43 | Won 2 |
| » Starters: Dick Woodson vs Marty Pattin | Third | 2 out |
| Sunday, July 22 |
| » Lost to Twins (49-47), 10-7 | Fenway Park (29-23) | 52-44 | |
| » Starters: Jim Kaat vs Bill Lee | Third | 2½ out |
| Monday, July 23 |
| Future Red Sox Nomar Garciaparra is born in Whittier, CA. |
| Thursday, July 26 |
| » Lost to Tigers (50-48), 6-5 | Tiger Stadium (0-4) | 52-45 | Lost 2 |
| » Starters: Luis Tiant vs Mickey Lolich | Third | 3½ out |
| Friday, July 27 |
| » Lost to Tigers (51-48), 4-2 | Tiger Stadium (0-5) | 52-46 | Lost 3 |
| » Starters: Bill Lee vs Jim Perry | Third | 4½ out |
| Saturday, July 28 |
| » Defeated Indians (36-67), 7-4 | Cleveland Stadium (3-2) | 53-46 | |
| » Starters: John Curtis vs Mike Kekich | Third | 3½ out |
| Sunday, July 29 |
| » Lost to Indians (37-67), 8-2 | Cleveland Stadium (3-3) | 53-47 | |
| » Starters: Marty Pattin vs Gaylord Perry | Third | 3½ out |
| » Lost to Indians (38-67), 6-2 | Cleveland Stadium (3-4) | 53-48 | Lost 2 |
| » Starters: Ray Culp vs Tom Timmermann | Third | 3½ out |
| Monday, July 30 |
| » Defeated Yankees (59-48), 4-3 | Fenway Park (30-23) | 54-48 | |
| » Starters: Fred Beene vs Luis Tiant | Third | 2½ out |
| Tuesday, July 31 |
| » Lost to Yankees (60-48), 5-4 | Fenway Park (30-24) | 54-49 | |
| » Starters: Pat Dobson vs Bill Lee | Fourth | 3½ out |
| Wednesday, August 1 |
| » Defeated Yankees (60-49), 3-2 | Fenway Park (31-24) | 55-49 | |
| » Starters: Mel Stottlemyre vs John Curtis | Fourth | 2½ out |
| Thursday, August 2 |
| » Defeated Yankees (60-50), 10-0 | Fenway Park (32-24) | 56-49 | Won 2 |
| » Starters: Steve Kline vs Roger Moret | Fourth | 1½ out |
| Friday, August 3 |
| » Defeated Orioles (56-47), 8-5 | Memorial Stadium (2-1) | 57-49 | Won 3 |
| » Starters: Luis Tiant vs Dave McNally | Fourth | 1½ out |
| » Lost to Orioles (57-47), 8-2 | Memorial Stadium (2-2) | 57-50 | |
| » Starters: Dick Pole vs Jesse Jefferson | Fourth | 1½ out |
| » Major-league debuts: Dick Pole (Red Sox) |
| Saturday, August 4 |
| » Lost to Orioles (58-47), 4-1 | Memorial Stadium (2-3) | 57-51 | Lost 2 |
| » Starters: Bill Lee vs Jim Palmer | Fourth | 2½ out |
| Future Red Sox Bobby Howry is born in Phoenix, AZ. |
| Sunday, August 5 |
| » Defeated Orioles (58-48), 7-4 | Memorial Stadium (3-3) | 58-51 | |
| » Starters: John Curtis vs Mike Cuellar | Fourth | 1½ out |
| Monday, August 6 |
| » Defeated Orioles (58-49), 5-3 | Memorial Stadium (4-3) | 59-51 | Won 2 |
| » Starters: Roger Moret vs Doyle Alexander | Third | 1 out |
| Tuesday, August 7 |
| » Lost to Royals (65-49), 7-6 | Royals Stadium (1-3) | 59-52 | |
| » Starters: Dick Pole vs Dick Drago | Fourth | 1½ out |
| Wednesday, August 8 |
| » Defeated Royals (65-50), 9-4 | Royals Stadium (2-3) | 60-52 | |
| » Starters: Luis Tiant vs Paul Splittorff | Fourth | 1½ out |
| Thursday, August 9 |
| » Lost to Royals (66-50), 3-2 | Royals Stadium (2-4) | 60-53 | |
| » Starters: Bill Lee vs Steve Busby | Fourth | 2 out |
| Friday, August 10 |
| » Lost to Angels (53-59), 5-3 | Fenway Park (32-25) | 60-54 | Lost 2 |
| » Starters: Dick Lange vs John Curtis | Fourth | 2½ out |
| Saturday, August 11 |
| » Defeated Angels (53-60), 2-1 | Fenway Park (33-25) | 61-54 | |
| » Starters: Nolan Ryan vs Roger Moret | Fourth | 2½ out |
| Sunday, August 12 |
| » Defeated Angels (53-61), 14-8 | Fenway Park (34-25) | 62-54 | Won 2 |
| » Starters: Bill Singer vs Dick Pole | Third | 2½ out |
| Monday, August 13 |
| » Lost to Athletics (67-51), 3-1 | Fenway Park (34-26) | 62-55 | |
| » Starters: Blue Moon Odom vs Luis Tiant | Fourth | 3½ out |
| Tuesday, August 14 |
| » Lost to Athletics (68-51), 1-0 | Fenway Park (34-27) | 62-56 | Lost 2 |
| » Starters: Darold Knowles vs Bill Lee | Fourth | 3½ out |
| Thursday, August 16 |
| » Lost to Athletics (69-51), 6-3 | Fenway Park (34-28) | 62-57 | Lost 3 |
| » Starters: Vida Blue vs John Curtis | Fourth | 4 out |
| Friday, August 17 |
| » Defeated Royals (70-53), 6-4 | Fenway Park (35-28) | 63-57 | |
| » Starters: Dick Drago vs Roger Moret | Fourth | 4 out |
| Saturday, August 18 |
| » Defeated Royals (70-54), 8-5 | Fenway Park (36-28) | 64-57 | Won 2 |
| » Starters: Paul Splittorff vs Dick Pole | Fourth | 4 out |
| » Major-league debuts: Barry Raziano (Royals) |
| Sunday, August 19 |
| » Defeated Royals (70-55), 4-3 | Fenway Park (37-28) | 65-57 | Won 3 |
| » Starters: Al Fitzmorris vs Bill Lee | Fourth | 4 out |
| Monday, August 20 |
| » Defeated Rangers (43-79), 5-4 | Arlington Stadium (3-1) | 66-57 | Won 4 |
| » Starters: John Curtis vs Jim Bibby | Third | 4 out |
| Tuesday, August 21 |
| » Defeated Rangers (43-80), 15-9 | Arlington Stadium (4-1) | 67-57 | Won 5 |
| » Starters: Roger Moret vs Steve Dunning | Third | 4 out |
| Wednesday, August 22 |
| » Defeated Rangers (43-81), 9-8 | Arlington Stadium (5-1) | 68-57 | Won 6 |
| » Starters: Dick Pole vs David Clyde | Second | 4 out |
| Friday, August 24 |
| » Defeated Angels (58-66), 3-2 | Anaheim Stadium (2-2) | 69-57 | Won 7 |
| » Starters: Bill Lee vs Dick Lange | Second | 4 out |
| Future Red Sox Arquimedez Pozo is born in Santo Domingo, D.R. |
| Saturday, August 25 |
| » Defeated Angels (58-67), 4-0 | Anaheim Stadium (3-2) | 70-57 | Won 8 |
| » Starters: John Curtis vs Nolan Ryan | Second | 4 out |
| Sunday, August 26 |
| » Lost to Angels (59-67), 1-0 | Anaheim Stadium (3-3) | 70-58 | |
| » Starters: Luis Tiant vs Bill Singer | Second | 5 out |
| Monday, August 27 |
| » Defeated Athletics (77-53), 5-2 | Oakland-Alameda County Stadium (2-2) | 71-58 | |
| » Starters: Roger Moret vs Blue Moon Odom | Second | 5 out |
| Tuesday, August 28 |
| » Lost to Athletics (78-53), 6-1 | Oakland-Alameda County Stadium (2-3) | 71-59 | |
| » Starters: Dick Pole vs Catfish Hunter | Second | 5 out |
| Wednesday, August 29 |
| » Defeated Athletics (78-54), 6-4 | Oakland-Alameda County Stadium (3-3) | 72-59 | |
| » Starters: Bill Lee vs Vida Blue | Second | 5 out |
| Thursday, August 30 |
| » Lost to Brewers (64-67), 4-1 | County Stadium (3-2) | 72-60 | |
| » Starters: John Curtis vs Jim Slaton | Second | 5½ out |
| Friday, August 31 |
| » Lost to Brewers (65-67), 3-2 | County Stadium (3-3) | 72-61 | Lost 2 |
| » Starters: Luis Tiant vs Bill Champion | Second | 6 out |
| » Lost to Brewers (66-67), 5-4 | County Stadium (3-4) | 72-62 | Lost 3 |
| » Starters: Roger Moret vs Bill Parsons | Second | 6 out |
| Saturday, September 1 |
| » Defeated Brewers (66-68), 5-0 | County Stadium (4-4) | 73-62 | |
| » Starters: Marty Pattin vs Skip Lockwood | Second | 6 out |
| Sunday, September 2 |
| » Defeated Brewers (66-69), 10-4 | County Stadium (5-4) | 74-62 | Won 2 |
| » Starters: Bill Lee vs Jim Colborn | Second | 6 out |
| Monday, September 3 |
| » Lost to Orioles (79-54), 13-8 | Fenway Park (37-29) | 74-63 | |
| » Starters: Doyle Alexander vs John Curtis | Second | 6 out |
| » Defeated Orioles (79-55), 9-8 | Fenway Park (38-29) | 75-63 | |
| » Starters: Jesse Jefferson vs Dick Pole | Second | 6 out |
| Tuesday, September 4 |
| » Defeated Orioles (79-56), 2-1 | Fenway Park (39-29) | 76-63 | Won 2 |
| » Starters: Jim Palmer vs Luis Tiant | Second | 5 out |
| Wednesday, September 5 |
| » Defeated Orioles (79-57), 7-5 | Fenway Park (40-29) | 77-63 | Won 3 |
| » Starters: Mike Cuellar vs Roger Moret | Second | 4 out |
| Friday, September 7 |
| » Defeated Tigers (74-68), 11-3 | Fenway Park (41-29) | 78-63 | Won 4 |
| » Starters: Jim Perry vs Marty Pattin | Second | 4 out |
| Saturday, September 8 |
| » Lost to Tigers (75-68), 6-1 | Fenway Park (41-30) | 78-64 | |
| » Starters: Joe Coleman vs Bill Lee | Second | 5 out |
| Future Red Sox Bob Wolcott is born in Huntington Beach, CA. |
| Sunday, September 9 |
| » Lost to Tigers (76-68), 5-4 | Fenway Park (41-31) | 78-65 | Lost 2 |
| » Starters: Mickey Lolich vs John Curtis | Second | 5½ out |
| Monday, September 10 |
| » Defeated Orioles (82-59), 4-3 | Memorial Stadium (5-3) | 79-65 | |
| » Starters: Luis Tiant vs Jesse Jefferson | Second | 4½ out |
| Former Red Sox Roy Johnson dies in Tacoma, WA at the age of 71. |
| Tuesday, September 11 |
| » Lost to Orioles (83-59), 8-3 | Memorial Stadium (5-4) | 79-66 | |
| » Starters: Marty Pattin vs Dave McNally | Second | 5½ out |
| Wednesday, September 12 |
| » Defeated Yankees (72-74), 7-1 | Yankee Stadium (6-2) | 80-66 | |
| » Starters: Roger Moret vs Lindy McDaniel | Second | 6 out |
| Thursday, September 13 |
| » Lost to Yankees (73-74), 2-1 | Yankee Stadium (6-3) | 80-67 | |
| » Starters: Bill Lee vs Doc Medich | Second | 7 out |
| Friday, September 14 |
| » Defeated Indians (64-85), 6-4 | Fenway Park (42-31) | 81-67 | |
| » Starters: Tom Timmermann vs Luis Tiant | Second | 6½ out |
| Saturday, September 15 |
| » Lost to Indians (65-85), 9-8 | Fenway Park (42-32) | 81-68 | |
| » Starters: Dick Tidrow vs Marty Pattin | Second | 6½ out |
| Sunday, September 16 |
| » Lost to Indians (66-85), 5-1 | Fenway Park (42-33) | 81-69 | Lost 2 |
| » Starters: Gaylord Perry vs Roger Moret | Second | 7 out |
| Tuesday, September 18 |
| » Defeated Yankees (75-77), 4-2 | Fenway Park (43-33) | 82-69 | |
| » Starters: Doc Medich vs Bill Lee | Second | 7½ out |
| Wednesday, September 19 |
| » Defeated Yankees (75-78), 3-1 | Fenway Park (44-33) | 83-69 | Won 2 |
| » Starters: Mel Stottlemyre vs Luis Tiant | Second | 6½ out |
| Thursday, September 20 |
| » Major-league debuts: Gary Ignasiak (Tigers) |
| Friday, September 21 |
| » Lost to Tigers (81-72), 5-1 | Tiger Stadium (0-6) | 83-70 | |
| » Starters: Roger Moret vs Jim Perry | Second | 8 out |
| Saturday, September 22 |
| » Lost to Tigers (82-72), 4-3 | Tiger Stadium (0-7) | 83-71 | Lost 2 |
| » Starters: Bill Lee vs Mickey Lolich | Second | 9 out |
| Sunday, September 23 |
| » Lost to Tigers (83-72), 3-0 | Tiger Stadium (0-8) | 83-72 | Lost 3 |
| » Starters: Luis Tiant vs Joe Coleman | Second | 10 out |
| Monday, September 24 |
| » Defeated Tigers (83-73), 14-0 | Tiger Stadium (1-8) | 84-72 | |
| » Starters: Marty Pattin vs Fred Holdsworth | Second | 9½ out |
| Tuesday, September 25 |
| » Defeated Indians (68-89), 3-2 | Cleveland Stadium (4-4) | 85-72 | Won |
