| Sunday, January 24 |
| Former Red Sox Ben Shields dies in Woodruff, SC at the age of 79. |
| Friday, April 9 |
| » Major-league debuts: Jim Gott (Blue Jays) Kevin Bass and Doug Jones (Brewers) |
| Saturday, April 10 |
| » Defeated Orioles (1-1), 2-0 | Memorial Stadium (1-0) | 1-0 | |
| » W: Dennis Eckersley (1-0) L: Scott McGregor (0-1) | Third | ½ out |
| » Lost to Orioles (2-1), 5-3 | Memorial Stadium (1-1) | 1-1 | |
| » W: Dennis Martinez (1-0) L: Bob Ojeda (0-1) S: Sammy Stewart (1) | Third | ½ out |
| » Major-league debuts: Wade Boggs (Red Sox) |
| Sunday, April 11 |
| » Defeated Orioles (2-2), 6-0 | Memorial Stadium (2-1) | 2-1 | |
| » W: John Tudor (1-0) L: Mike Flanagan (0-1) | First | -- |
| Monday, April 12 |
| » Lost to White Sox (3-0), 3-2 | Fenway Park (0-1) | 2-2 | |
| » W: Richard Dotson (1-0) L: Mike Torrez (0-1) S: Salome Barojas (2) | Third | ½ out |
| Wednesday, April 14 |
| » Lost to White Sox (4-0), 5-4 | Fenway Park (0-2) | 2-3 | Lost 2 |
| » W: Steve Trout (1-0) L: Bob Stanley (0-1) S: Salome Barojas (3) | Fourth | 1 out |
| Thursday, April 15 |
| » Lost to White Sox (5-0), 8-4 | Fenway Park (0-3) | 2-4 | Lost 3 |
| » W: Dennis Lamp (1-0) L: Bob Ojeda (0-2) S: Jerry Koosman (1) | Fifth | 1½ out |
| Friday, April 16 |
| » Lost to Blue Jays (4-4), 2-0 | Fenway Park (0-4) | 2-5 | Lost 4 |
| » W: Luis Leal (2-0) L: Dennis Eckersley (1-1) S: Roy Lee Jackson (1) | Sixth | 1½ out |
| Saturday, April 17 |
| » Defeated Blue Jays (4-5), 5-4 | Fenway Park (1-4) | 3-5 | |
| » W: John Tudor (2-0) L: Mark Bomback (0-2) S: Mark Clear (1) | Third | ½ out |
| Sunday, April 18 |
| » Defeated Blue Jays (4-6), 4-3 | Fenway Park (2-4) | 4-5 | Won 2 |
| » W: Luis Aponte (1-0) L: Roy Lee Jackson (2-1) | Third | ½ out |
| Monday, April 19 |
| » Lost to Blue Jays (5-6), 5-4 | Fenway Park (2-5) | 4-6 | |
| » W: Dale Murray (1-1) L: Mark Clear (0-1) | Fourth | 1½ out |
| Tuesday, April 20 |
| » Defeated Orioles (2-8), 8-3 | Fenway Park (3-5) | 5-6 | |
| » W: Bob Ojeda (1-2) L: Mike Flanagan (0-2) S: Luis Aponte (1) | Third | 1½ out |
| Wednesday, April 21 |
| » Defeated Orioles (2-9), 6-5 | Fenway Park (4-5) | 6-6 | Won 2 |
| » W: Dennis Eckersley (2-1) L: Dennis Martinez (1-2) S: Mark Clear (2) | Third | 1½ out |
| Friday, April 23 |
| » Defeated Blue Jays (5-9), 5-4 | Exhibition Stadium (1-0) | 7-6 | Won 3 |
| » W: John Tudor (3-0) L: Jim Clancy (0-2) S: Mark Clear (3) | Second | 2 out |
| Saturday, April 24 |
| » Defeated Blue Jays (5-10), 8-7 | Exhibition Stadium (2-0) | 8-6 | Won 4 |
| » W: Mike Torrez (1-1) L: Dave Stieb (0-2) S: Luis Aponte (2) | Second | 2 out |
| Former Red Sox Buster Ross dies in Mayfield, KY at the age of 80. |
| Sunday, April 25 |
| » Defeated Blue Jays (5-11), 5-4 | Exhibition Stadium (3-0) | 9-6 | Won 5 |
| » W: Mark Clear (1-1) L: Joey McLaughlin (0-1) | Second | 1 out |
| Monday, April 26 |
| » Defeated White Sox (9-5), 3-2 | Comiskey Park I (1-0) | 10-6 | Won 6 |
| » W: Luis Aponte (2-0) L: Richard Dotson (1-2) | First | -- |
| » Defeated White Sox (9-6), 5-0 | Comiskey Park I (2-0) | 11-6 | Won 7 |
| » W: Chuck Rainey (1-0) L: Chico Escarrega (0-1) | First | -- |
| Tuesday, April 27 |
| » Defeated Royals (9-7), 7-5 | Fenway Park (5-5) | 12-6 | Won 8 |
| » W: Bob Stanley (1-1) L: Dave Frost (3-1) | First | -- |
| Wednesday, April 28 |
| » Lost to Royals (10-7), 8-5 | Fenway Park (5-6) | 12-7 | |
| » W: Dennis Leonard (2-1) L: John Tudor (3-1) | First | -- |
| Friday, April 30 |
| » Defeated Rangers (6-11), 7-1 | Fenway Park (6-6) | 13-7 | |
| » W: Mike Torrez (2-1) L: Charlie Hough (2-2) | First | -- |
| Saturday, May 1 |
| » Defeated Rangers (6-12), 6-5 | Fenway Park (7-6) | 14-7 | Won 2 |
| » W: Mark Clear (2-1) L: Steve Comer (0-1) | First | -- |
| Sunday, May 2 |
| » Defeated Rangers (6-13), 6-0 | Fenway Park (8-6) | 15-7 | Won 3 |
| » W: Dennis Eckersley (3-1) L: Doc Medich (1-3) | First | -- |
| Monday, May 3 |
| » Defeated Twins (9-16), 6-2 | Fenway Park (9-6) | 16-7 | Won 4 |
| » W: Chuck Rainey (2-0) L: Terry Felton (0-3) S: Bob Stanley (1) | First | -- |
| Tuesday, May 4 |
| » Defeated Twins (9-17), 5-3 | Fenway Park (10-6) | 17-7 | Won 5 |
| » W: Bruce Hurst (1-0) L: Pete Redfern (2-3) S: Luis Aponte (3) | First | -- |
| Wednesday, May 5 |
| » Lost to Twins (10-17), 3-2 | Fenway Park (10-7) | 17-8 | |
| » W: Roger Erickson (4-2) L: Mike Torrez (2-2) S: Doug Corbett (3) | First | -- |
| Thursday, May 6 |
| » Defeated Rangers (6-16), 5-2 | Arlington Stadium (1-0) | 18-8 | |
| » W: Bob Stanley (2-1) L: Rick Honeycutt (0-3) | First | -- |
| Friday, May 7 |
| » Lost to Rangers (7-16), 1-0 | Arlington Stadium (1-1) | 18-9 | |
| » W: Doc Medich (2-3) L: Dennis Eckersley (3-2) S: Danny Darwin (1) | First | -- |
| Saturday, May 8 |
| » Defeated Rangers (7-17), 2-1 | Arlington Stadium (2-1) | 19-9 | |
| » W: Chuck Rainey (3-0) L: Jon Matlack (0-2) S: Mark Clear (4) | First | -- |
| Sunday, May 9 |
| » Defeated Rangers (7-18), 1-0 | Arlington Stadium (3-1) | 20-9 | Won 2 |
| » W: Bob Stanley (3-1) L: Frank Tanana (1-4) S: Mark Clear (5) | First | -- |
| Monday, May 10 |
| » Defeated Twins (10-22), 9-5 | Hubert H. Humphrey Metrodome (1-0) | 21-9 | Won 3 |
| » W: Tom Burgmeier (1-0) L: Roger Erickson (4-3) | First | -- |
| Tuesday, May 11 |
| » Lost to Twins (11-22), 10-6 | Hubert H. Humphrey Metrodome (1-1) | 21-10 | |
| » W: Bobby Castillo (1-1) L: Bob Ojeda (1-3) | First | -- |
| Wednesday, May 12 |
| » Defeated Twins (11-23), 4-1 | Hubert H. Humphrey Metrodome (2-1) | 22-10 | |
| » W: Dennis Eckersley (4-2) L: Ron Davis (1-2) S: Mark Clear (6) | First | -- |
| Thursday, May 13 |
| » Lost to Royals (18-13), 11-2 | Royals Stadium (0-1) | 22-11 | |
| » W: Dave Frost (4-2) L: Chuck Rainey (3-1) | First | -- |
| Saturday, May 15 |
| » Defeated Royals (18-14), 10-5 | Royals Stadium (1-1) | 23-11 | |
| » W: Mike Torrez (3-2) L: Vida Blue (2-3) S: Mark Clear (7) | First | -- |
| Sunday, May 16 |
| » Lost to Royals (19-14), 5-0 | Royals Stadium (1-2) | 23-12 | |
| » W: Dennis Leonard (4-3) L: Bob Ojeda (1-4) | First | -- |
| Tuesday, May 18 |
| » Lost to Mariners (17-22), 3-0 | Fenway Park (10-8) | 23-13 | Lost 2 |
| » W: Floyd Bannister (5-2) L: Dennis Eckersley (4-3) | Second | 1 out |
| Wednesday, May 19 |
| » Defeated Mariners (17-23), 6-5 | Fenway Park (11-8) | 24-13 | |
| » W: Mark Clear (3-1) L: Bill Caudill (4-2) | Second | 1 out |
| Thursday, May 20 |
| » Defeated Mariners (17-24), 11-2 | Fenway Park (12-8) | 25-13 | Won 2 |
| » W: John Tudor (4-1) L: Mike Moore (1-5) | Second | 1 out |
| Friday, May 21 |
| » Defeated Athletics (20-21), 8-7 | Fenway Park (13-8) | 26-13 | Won 3 |
| » W: Tom Burgmeier (2-0) L: Rick Langford (3-6) S: Mark Clear (8) | First | -- |
| Saturday, May 22 |
| » Defeated Athletics (20-22), 7-4 | Fenway Park (14-8) | 27-13 | Won 4 |
| » W: Bob Stanley (4-1) L: Bo McLaughlin (0-2) | First | -- |
| Sunday, May 23 |
| » Defeated Athletics (20-23), 6-0 | Fenway Park (15-8) | 28-13 | Won 5 |
| » W: Dennis Eckersley (5-3) L: Mike Norris (2-4) | First | -- |
| Tuesday, May 25 |
| » Lost to Angels (29-15), 10-2 | Fenway Park (15-9) | 28-14 | |
| » W: Bruce Kison (4-0) L: John Tudor (4-2) | First | -- |
| Thursday, May 27 |
| » Lost to Mariners (22-25), 10-6 | Kingdome (0-1) | 28-15 | Lost 2 |
| » W: Gene Nelson (3-6) L: Mike Torrez (3-3) | First | -- |
| Friday, May 28 |
| » Defeated Mariners (22-26), 3-2 | Kingdome (1-1) | 29-15 | |
| » W: Dennis Eckersley (6-3) L: Floyd Bannister (5-3) S: Mark Clear (9) | First | -- |
| Saturday, May 29 |
| » Lost to Mariners (23-26), 4-2 | Kingdome (1-2) | 29-16 | |
| » W: Mike Moore (2-5) L: Bruce Hurst (1-1) S: Bill Caudill (7) | First | -- |
| Sunday, May 30 |
| » Lost to Mariners (24-26), 2-1 | Kingdome (1-3) | 29-17 | Lost 2 |
| » W: Jim Beattie (1-4) L: John Tudor (4-3) | First | -- |
| Monday, May 31 |
| » Defeated Athletics (23-27), 5-2 | Oakland-Alameda County Stadium (1-0) | 30-17 | |
| » W: Bob Ojeda (2-4) L: Bo McLaughlin (0-3) S: Bob Stanley (2) | First | -- |
| Tuesday, June 1 |
| » Lost to Athletics (24-27), 3-2 | Oakland-Alameda County Stadium (1-1) | 30-18 | |
| » W: Rick Langford (4-7) L: Chuck Rainey (3-2) S: Tom Underwood (3) | Second | ½ out |
| Wednesday, June 2 |
| » Lost to Athletics (25-27), 5-0 | Oakland-Alameda County Stadium (1-2) | 30-19 | Lost 2 |
| » W: Mike Norris (3-5) L: Dennis Eckersley (6-4) | Second | 1½ out |
| Friday, June 4 |
| » Defeated Angels (31-21), 11-4 | Anaheim Stadium (1-0) | 31-19 | |
| » W: Mark Clear (4-1) L: Doug Corbett (1-5) | Second | ½ out |
| Saturday, June 5 |
| » Defeated Angels (31-22), 7-2 | Anaheim Stadium (2-0) | 32-19 | Won 2 |
| » W: John Tudor (5-3) L: Bruce Kison (4-2) | Second | 1 out |
| Sunday, June 6 |
| » Defeated Angels (31-23), 5-1 | Anaheim Stadium (3-0) | 33-19 | Won 3 |
| » W: Bob Ojeda (3-4) L: Ken Forsch (4-6) S: Mark Clear (10) | Second | 1 out |
| Tuesday, June 8 |
| » Defeated Yankees (25-26), 4-3 | Fenway Park (16-9) | 34-19 | Won 4 |
| » W: Mark Clear (5-1) L: George Frazier (1-1) | Second | 1 out |
| Wednesday, June 9 |
| » Defeated Yankees (25-27), 3-2 | Fenway Park (17-9) | 35-19 | Won 5 |
| » W: Bruce Hurst (2-1) L: Tommy John (4-6) S: Bob Stanley (3) | Second | 1 out |
| Thursday, June 10 |
| » Lost to Yankees (26-27), 5-3 | Fenway Park (17-10) | 35-20 | |
| » W: Dave Righetti (4-4) L: John Tudor (5-4) S: Rich Gossage (12) | Second | 1½ out |
| Friday, June 11 |
| » Defeated Indians (27-28), 6-2 | Fenway Park (18-10) | 36-20 | |
| » W: Tom Burgmeier (3-0) L: Lary Sorensen (5-5) | First | -- |
| » Major-league debuts: Bud Anderson (Indians) |
| Saturday, June 12 |
| » Defeated Indians (27-29), 6-4 | Fenway Park (19-10) | 37-20 | Won 2 |
| » W: Bob Stanley (5-1) L: John Denny (3-7) | First | -- |
| Monday, June 14 |
| » Lost to Yankees (27-29), 5-1 | Yankee Stadium (0-1) | 37-21 | |
| » W: Ron Guidry (8-1) L: Dennis Eckersley (6-5) | First | -- |
| Tuesday, June 15 |
| » Lost to Yankees (28-29), 5-4 | Yankee Stadium (0-2) | 37-22 | Lost 2 |
| » W: Rich Gossage (3-2) L: Mark Clear (5-2) | First | -- |
| Wednesday, June 16 |
| » Lost to Yankees (29-29), 4-1 | Yankee Stadium (0-3) | 37-23 | Lost 3 |
| » W: Dave Righetti (5-4) L: John Tudor (5-5) | First | -- |
| Thursday, June 17 |
| » Defeated Indians (29-30), 6-3 | Cleveland Stadium (1-0) | 38-23 | |
| » W: Mike Torrez (4-3) L: Lary Sorensen (5-6) S: Mark Clear (11) | First | -- |
| Friday, June 18 |
| » Lost to Indians (30-30), 10-3 | Cleveland Stadium (1-1) | 38-24 | |
| » W: John Denny (4-7) L: Dennis Eckersley (6-6) | First | -- |
| Saturday, June 19 |
| » Defeated Indians (30-31), 7-3 | Cleveland Stadium (2-1) | 39-24 | |
| » W: Chuck Rainey (4-2) L: Rick Sutcliffe (5-3) S: Bob Stanley (4) | First | -- |
| Sunday, June 20 |
| » Lost to Indians (31-31), 5-4 | Cleveland Stadium (2-2) | 39-25 | |
| » W: Dan Spillner (4-4) L: Luis Aponte (2-1) | First | -- |
| Monday, June 21 |
| » Defeated Tigers (35-27), 5-1 | Fenway Park (20-10) | 40-25 | |
| » W: John Tudor (6-5) L: Dan Petry (6-4) S: Bob Stanley (5) | First | -- |
| Tuesday, June 22 |
| » Defeated Tigers (35-28), 5-4 | Fenway Park (21-10) | 41-25 | Won 2 |
| » W: Mark Clear (6-2) L: Dave Tobik (2-2) | First | -- |
| Wednesday, June 23 |
| » Defeated Tigers (35-29), 10-4 | Fenway Park (22-10) | 42-25 | Won 3 |
| » W: Dennis Eckersley (7-6) L: Jack Morris (8-8) | First | -- |
| Friday, June 25 |
| » Lost to Brewers (38-30), 9-3 | Fenway Park (22-11) | 42-26 | |
| » W: Jim Slaton (5-1) L: Bruce Hurst (2-2) | First | -- |
| Saturday, June 26 |
| » Lost to Brewers (39-30), 11-10 | Fenway Park (22-12) | 42-27 | Lost 2 |
| » W: Rollie Fingers (4-5) L: Mark Clear (6-3) | First | -- |
| Sunday, June 27 |
| » Lost to Brewers (40-30), 7-5 | Fenway Park (22-13) | 42-28 | Lost 3 |
| » W: Bob McClure (6-2) L: Mike Torrez (4-4) S: Dwight Bernard (3) | First | -- |
| Monday, June 28 |
| » Defeated Brewers (40-31), 9-7 | Fenway Park (23-13) | 43-28 | |
| » W: Bob Stanley (6-1) L: Pete Vuckovich (9-3) | First | -- |
| Tuesday, June 29 |
| » Defeated Tigers (36-33), 4-2 | Tiger Stadium (1-0) | 44-28 | Won 2 |
| » W: Dennis Eckersley (8-6) L: Jerry Ujdur (1-3) | First | -- |
| Wednesday, June 30 |
| » Lost to Tigers (37-33), 12-3 | Tiger Stadium (1-1) | 44-29 | |
| » W: Dan Petry (7-5) L: Bruce Hurst (2-3) | First | -- |
| Thursday, July 1 |
| » Lost to Tigers (38-33), 5-4 | Tiger Stadium (1-2) | 44-30 | Lost 2 |
| » W: Milt Wilcox (6-4) L: Bob Stanley (6-2) | First | -- |
| Former Red Sox Ray Scarborough dies in Mount Olive, NC at the age of 65. |
| Friday, July 2 |
| » Lost to Brewers (43-32), 14-5 | County Stadium (0-1) | 44-31 | Lost 3 |
| » W: Bob McClure (7-2) L: Mike Torrez (4-5) | First | -- |
| Saturday, July 3 |
| » Lost to Brewers (44-32), 7-0 | County Stadium (0-2) | 44-32 | Lost 4 |
| » W: Pete Vuckovich (10-3) L: Chuck Rainey (4-3) | First | -- |
| Sunday, July 4 |
| » Defeated Brewers (44-33), 4-1 | County Stadium (1-2) | 45-32 | |
| » W: Dennis Eckersley (9-6) L: Mike Caldwell (5-8) | First | -- |
| Monday, July 5 |
| » Defeated Royals (44-33), 4-3 | Royals Stadium (2-2) | 46-32 | Won 2 |
| » W: Bob Stanley (7-2) L: Mike Armstrong (2-2) | First | -- |
| » Lost to Royals (45-33), 4-3 | Royals Stadium (2-3) | 46-33 | |
| » W: Don Hood (2-0) L: Bob Ojeda (3-5) S: Dan Quisenberry (22) | First | -- |
| Tuesday, July 6 |
| » Lost to Royals (46-33), 6-2 | Royals Stadium (2-4) | 46-34 | Lost 2 |
| » W: Vida Blue (6-5) L: John Tudor (6-6) S: Bill Castro (1) | Second | 1 out |
| » Major-league debuts: Don Slaught (Royals) |
| Wednesday, July 7 |
| » Defeated Rangers (32-43), 8-5 | Arlington Stadium (4-1) | 47-34 | |
| » W: Mike Torrez (5-5) L: Charlie Hough (7-6) | First | -- |
| Former Red Sox Joe Dugan dies in Norwood, MA at the age of 86. |
| Thursday, July 8 |
| » Defeated Rangers (32-44), 3-0 | Arlington Stadium (5-1) | 48-34 | Won 2 |
| » W: Chuck Rainey (5-3) L: Rick Honeycutt (4-9) | First | -- |
| Friday, July 9 |
| » Lost to Twins (27-58), 4-1 | Fenway Park (23-14) | 48-35 | |
| » W: Frank Viola (3-0) L: Dennis Eckersley (9-7) | First | -- |
| Saturday, July 10 |
| » Defeated Twins (27-59), 5-4 | Fenway Park (24-14) | 49-35 | |
| » W: Bruce Hurst (3-3) L: Bobby Castillo (4-6) S: Bob Stanley (6) | First | -- |
| Sunday, July 11 |
| » Lost to Twins (28-59), 7-3 | Fenway Park (24-15) | 49-36 | |
| » W: Brad Havens (5-6) L: Mark Clear (6-4) S: Ron Davis (8) | Second | 1 out |
| Wednesday, July 14 |
| Former Red Sox Jackie Jensen dies in Charlottesville, VA at the age of 56. |
| Thursday, July 15 |
| » Defeated Royals (47-38), 5-3 | Fenway Park (25-15) | 50-36 | |
| » W: Tom Burgmeier (4-0) L: Larry Gura (10-6) | Second | ½ out |
| Friday, July 16 |
| » Defeated Royals (47-39), 7-3 | Fenway Park (26-15) | 51-36 | Won 2 |
| » W: Dennis Eckersley (10-7) L: Vida Blue (6-7) S: Bob Stanley (7) | Second | ½ out |
| Saturday, July 17 |
| » Defeated Royals (47-40), 8-4 | Fenway Park (27-15) | 52-36 | Won 3 |
| » W: Mark Clear (7-4) L: Dan Quisenberry (4-4) S: Tom Burgmeier (1) | Second | ½ out |
| Sunday, July 18 |
| » Lost to Royals (48-40), 9-0 | Fenway Park (27-16) | 52-37 | |
| » W: Derek Botelho (1-0) L: John Tudor (6-7) | Second | 1½ out |
| Monday, July 19 |
| » Defeated Rangers (35-51), 9-5 | Fenway Park (28-16) | 53-37 | |
| » W: Mark Clear (8-4) L: Danny Darwin (6-5) | Second | ½ out |
| Wednesday, July 21 |
| » Lost to Rangers (36-51), 6-3 | Fenway Park (28-17) | 53-38 | |
| » W: Charlie Hough (8-8) L: Dennis Eckersley (10-8) S: Dave Schmidt (4) | Second | ½ out |
| » Defeated Rangers (36-52), 6-1 | Fenway Park (29-17) | 54-38 | |
| » W: Mike Torrez (6-5) L: Rick Honeycutt (4-11) | Second | ½ out |
| Friday, July 23 |
| » Lost to Twins (32-63), 8-4 | Hubert H. Humphrey Metrodome (2-2) | 54-39 | |
| » W: Bobby Castillo (5-7) L: Bruce Hurst (3-4) S: Ron Davis (10) | Second | ½ out |
| Saturday, July 24 |
| » Lost to Twins (33-63), 5-3 | Hubert H. Humphrey Metrodome (2-3) | 54-40 | Lost 2 |
| » W: Brad Havens (7-6) L: Bob Stanley (7-3) S: Ron Davis (11) | Second | 1½ out |
| Sunday, July 25 |
| » Defeated Twins (33-64), 5-0 | Hubert H. Humphrey Metrodome (3-3) | 55-40 | |
| » W: Mike Torrez (7-5) L: Albert Williams (3-7) | Second | ½ out |
| Monday, July 26 |
| » Defeated Blue Jays (45-51), 3-2 | Fenway Park (30-17) | 56-40 | Won 2 |
| » W: Dennis Eckersley (11-8) L: Jim Gott (1-6) | First | -- |
| Tuesday, July 27 |
| » Lost to Blue Jays (46-51), 3-1 | Fenway Park (30-18) | 56-41 | |
| » W: Luis Leal (8-7) L: John Tudor (6-8) | Second | ½ out |
| Wednesday, July 28 |
| » Defeated Blue Jays (46-52), 9-7 | Fenway Park (31-18) | 57-41 | |
| » W: Bob Ojeda (4-5) L: Roy Lee Jackson (3-7) S: Bob Stanley (8) | Second | ½ out |
| Thursday, July 29 |
| » Defeated White Sox (49-49), 7-3 | Comiskey Park I (3-0) | 58-41 | Won 2 |
| » W: Chuck Rainey (6-3) L: Dennis Lamp (7-6) S: Mark Clear (12) | First | -- |
| Friday, July 30 |
| » Lost to White Sox (50-49), 9-6 | Comiskey Park I (3-1) | 58-42 | |
| » W: La Marr Hoyt (13-9) L: Mike Torrez (7-6) S: Salome Barojas (14) | First | -- |
| Saturday, July 31 |
| » Lost to White Sox (51-49), 7-5 | Comiskey Park I (3-2) | 58-43 | Lost 2 |
| » W: Britt Burns (11-4) L: Dennis Eckersley (11-9) S: Salome Barojas (15) | Second | ½ out |
| Sunday, August 1 |
| » Lost to White Sox (52-49), 4-2 | Comiskey Park I (3-3) | 58-44 | Lost 3 |
| » W: Jerry Koosman (3-5) L: Bruce Hurst (3-5) S: Dennis Lamp (2) | Second | 1 out |
| Monday, August 2 |
| » Defeated Orioles (54-46), 5-2 | Memorial Stadium (3-1) | 59-44 | |
| » W: John Tudor (7-8) L: Scott McGregor (12-8) S: Bob Stanley (9) | First | -- |
| Tuesday, August 3 |
| » Lost to Orioles (55-46), 7-2 | Memorial Stadium (3-2) | 59-45 | |
| » W: Dennis Martinez (11-9) L: Chuck Rainey (6-4) | Second | ½ out |
| » Defeated Orioles (55-47), 7-6 | Memorial Stadium (4-2) | 60-45 | |
| » W: Mark Clear (9-4) L: Ross Grimsley (1-2) | Second | ½ out |
| Wednesday, August 4 |
| » Lost to Orioles (56-47), 4-2 | Memorial Stadium (4-3) | 60-46 | |
| » W: Mike Flanagan (8-9) L: Bob Stanley (7-4) S: Tim Stoddard (11) | Second | 1½ out |
| Friday, August 6 |
| » Lost to White Sox (56-50), 6-3 | Fenway Park (31-19) | 60-47 | Lost 2 |
| » W: Jerry Koosman (4-5) L: Bruce Hurst (3-6) S: Dennis Lamp (4) | Second | 2½ out |
| Saturday, August 7 |
| » Lost to White Sox (57-50), 7-3 | Fenway Park (31-20) | 60-48 | Lost 3 |
| » W: Richard Dotson (5-11) L: John Tudor (7-9) S: Kevin Hickey (5) | Second | 2½ out |
| Sunday, August 8 |
| » Defeated White Sox (57-51), 12-6 | Fenway Park (32-20) | 61-48 | |
| » W: Tom Burgmeier (5-0) L: Steve Trout (6-7) | Second | 2½ out |
| Monday, August 9 |
| » Lost to Blue Jays (53-58), 4-2 | Exhibition Stadium (3-1) | 61-49 | |
| » W: Ken Schrom (1-0) L: Dennis Eckersley (11-10) S: Joey McLaughlin (7) | Second | 3½ out |
| Tuesday, August 10 |
| » Lost to Blue Jays (54-58), 4-0 | Exhibition Stadium (3-2) | 61-50 | Lost 2 |
| » W: Dave Stieb (12-11) L: Mike Torrez (7-7) | Second | 4½ out |
| Wednesday, August 11 |
| » Lost to Blue Jays (55-58), 4-3 | Exhibition Stadium (3-3) | 61-51 | Lost 3 |
| » W: Roy Lee Jackson (4-8) L: Bob Stanley (7-5) | Second | 4½ out |
| Friday, August 13 |
| » Defeated Orioles (59-53), 5-2 | Fenway Park (33-20) | 62-51 | |
| » W: John Tudor (8-9) L: Mike Flanagan (8-10) | Second | 5½ out |
| Saturday, August 14 |
| » Lost to Orioles (60-53), 5-2 | Fenway Park (33-21) | 62-52 | |
| » W: Tippy Martinez (7-6) L: Mark Clear (9-5) | Second | 5½ out |
| Sunday, August 15 |
| » Defeated Orioles (60-54), 8-0 | Fenway Park (34-21) | 63-52 | |
| » W: Bob Stanley (8-5) L: Scott McGregor (12-11) | Second | 4½ out |
| Monday, August 16 |
| » Defeated Orioles (60-55), 9-4 | Fenway Park (35-21) | 64-52 | Won 2 |
| » W: Tom Burgmeier (6-0) L: Storm Davis (3-3) | Second | 4 out |
| Tuesday, August 17 |
| » Lost to Angels (68-50), 10-2 | Anaheim Stadium (3-1) | 64-53 | |
| » W: Luis Tiant (2-1) L: Bob Ojeda (4-6) | Second | 4 out |
| Wednesday, August 18 |
| » Defeated Angels (68-51), 4-1 | Anaheim Stadium (4-1) | 65-53 | |
| » W: John Tudor (9-9) L: Mike Witt (7-4) S: Bob Stanley (10) | Second | 3 out |
| Thursday, August 19 |
| » Lost to Angels (69-51), 8-5 | Anaheim Stadium (4-2) | 65-54 | |
| » W: Bruce Kison (7-4) L: Mark Clear (9-6) | Second | 4 out |
| Friday, August 20 |
| » Lost to Athletics (55-68), 4-3 | Oakland-Alameda County Stadium (1-3) | 65-55 | Lost 2 |
| » W: Dave Beard (8-8) L: Mark Clear (9-7) | Second | 5 out |
| Former Red Sox Hank Johnson dies in Bradenton, FL at the age of 77. |
| Saturday, August 21 |
| » Lost to Athletics (56-68), 12-5 | Oakland-Alameda County Stadium (1-4) | 65-56 | Lost 3 |
| » W: Bob Owchinko (2-3) L: Bob Stanley (8-6) | Second | 6 out |
| Sunday, August 22 |
| » Defeated Athletics (56-69), 4-2 | Oakland-Alameda County Stadium (2-4) | 66-56 | |
| » W: Brian Denman (1-0) L: Rick Langford (9-14) S: Tom Burgmeier (2) | Second | 6 out |
| » Major-league debuts: Brian Denman (Red Sox) |
| Monday, August 23 |
| » Defeated Mariners (59-65), 4-3 | Kingdome (2-3) | 67-56 | Won 2 |
| » W: Mark Clear (10-7) L: Bill Caudill (10-5) | Second | 5 out |
| » Major-league debuts: John Moses (Mariners) |
| Tuesday, August 24 |
| » Defeated Mariners (59-66), 5-4 | Kingdome (3-3) | 68-56 | Won 3 |
| » W: Tom Burgmeier (7-0) L: Bill Caudill (10-6) | Second | 5 out |
| Thursday, August 26 |
| » Lost to Angels (73-53), 10-1 | Fenway Park (35-22) | 68-57 | |
| » W: Ken Forsch (11-9) L: Mike Torrez (7-8) | Second | 5½ out |
| » Defeated Angels (73-54), 4-3 | Fenway Park (36-22) | 69-57 | |
| » W: Bob Stanley (9-6) L: Geoff Zahn (14-6) | Second | 5½ out |
| Friday, August 27 |
| » Lost to Angels (74-54), 7-6 | Fenway Park (36-23) | 69-58 | |
| » W: Rick Steirer (1-0) L: Brian Denman (1-1) S: Doug Corbett (11) | Second | 6½ out |
| Saturday, August 28 |
| » Defeated Angels (74-55), 7-6 | Fenway Park (37-23) | 70-58 | |
| » W: Mark Clear (11-7) L: Bruce Kison (7-5) | Second | 5½ out |
| Sunday, August 29 |
| » Defeated Angels (74-56), 9-3 | Fenway Park (38-23) | 71-58 | Won 2 |
| » W: Dennis Eckersley (12-10) L: Steve Renko (10-6) S: Bob Stanley (11) | Second | 5½ out |
| Monday, August 30 |
| » Defeated Athletics (58-74), 9-7 | Fenway Park (39-23) | 72-58 | Won 3 |
| » W: Mark Clear (12-7) L: Tom Underwood (9-5) | Second | 4½ out |
| Tuesday, August 31 |
| » Defeated Athletics (58-75), 4-0 | Fenway Park (40-23) | 73-58 | Won 4 |
| » W: Chuck Rainey (7-4) L: Preston Hanna (3-2) | Second | 4½ out |
| Wednesday, September 1 |
| » Defeated Athletics (58-76), 7-4 | Fenway Park (41-23) | 74-58 | Won 5 |
| » W: Brian Denman (2-1) L: Bob Owchinko (2-4) S: Mark Clear (13) | Second | 4½ out |
| Friday, September 3 |
| » Defeated Mariners (62-71), 10-8 | Fenway Park (42-23) | 75-58 | Won 6 |
| » W: John Tudor (10-9) L: Floyd Bannister (11-10) S: Bob Stanley (12) | Second | 3½ out |
| Saturday, September 4 |
| » Lost to Mariners (63-71), 4-3 | Fenway Park (42-24) | 75-59 | |
| » W: Gaylord Perry (8-12) L: Bruce Hurst (3-7) S: Bill Caudill (23) | Third | 4½ out |
| Sunday, September 5 |
| » Defeated Mariners (63-72), 6-5 | Fenway Park (43-24) | 76-59 | |
| » W: Mark Clear (13-7) L: Bill Caudill (11-7) | Third | 4½ out |
| Former Red Sox Tom Hurd dies in Waterloo, IA at the age of 59. |
| Monday, September 6 |
| » Defeated Indians (64-70), 10-3 | Cleveland Stadium (3-2) | 77-59 | Won 2 |
| » W: Mike Torrez (8-8) L: Lary Sorensen (10-12) S: Bob Stanley (13) | Third | 3½ out |
| » Major-league debuts: Marty Barrett (Red Sox) |
| Tuesday, September 7 |
| » Lost to Indians (65-70), 5-4 | Cleveland Stadium (3-3) | 77-60 | |
| » W: Dan Spillner (12-8) L: Mark Clear (13-8) | Third | 4½ out |
| Wednesday, September 8 |
| » Lost to Indians (66-70), 2-0 | Cleveland Stadium (3-4) | 77-61 | Lost 2 |
| » W: Ed Whitson (3-2) L: John Tudor (10-10) | Third | 5½ out |
| Friday, September 10 |
| » Lost to Tigers (71-67), 6-4 | Fenway Park (43-25) | 77-62 | Lost 3 |
| » W: Jack Morris (16-14) L: Dennis Eckersley (12-11) S: Aurelio Lopez (2) | Third | 6 out |
| Saturday, September 11 |
| » Defeated Tigers (71-68), 13-3 | Fenway Park (44-25) | 78-62 | |
| » W: Mike Torrez (9-8) L: Milt Wilcox (10-8) | Third | 5 out |
| Sunday, September 12 |
| » Defeated Tigers (71-69), 10-7 | Fenway Park (45-25) | 79-62 | Won 2 |
| » W: Bob Stanley (10-6) L: Dave Tobik (3-8) | Third | 4 out |
| Monday, September 13 |
| » Lost to Indians (69-72), 3-1 | Fenway Park (45-26) | 79-63 | |
| » W: Ed Whitson (4-2) L: Oil Can Boyd (0-1) S: Dan Spillner (18) | Third | 4½ out |
| » Lost to Indians (70-72), 4-3 | Fenway Park (45-27) | 79-64 | Lost 2 |
| » W: Tom Brennan (2-2) L: Luis Aponte (2-2) | Third | 4½ out |
| » Major-league debuts: Oil Can Boyd (Red Sox) |
| Tuesday, September 14 |
| » Defeated Indians (70-73), 12-1 | Fenway Park (46-27) | 80-64 | |
| » W: John Tudor (11-10) L: Neal Heaton (0-1) | Third | 4½ out |
| Wednesday, September 15 |
| » Lost to Indians (71-73), 7-4 | Fenway Park (46-28) | 80-65 | |
| » W: Len Barker (13-11) L: Dennis Eckersley (12-12) S: Dan Spillner (19) | Third | 5½ out |
| Thursday, September 16 |
| » Lost to Tigers (73-71), 4-2 | Tiger Stadium (1-3) | 80-66 | Lost 2 |
| » W: Milt Wilcox (11-8) L: Mike Torrez (9-9) | Third | 6 out |
| » Major-league debuts: Mike Brown (Red Sox) |
| Friday, September 17 |
| » Lost to Tigers (74-71), 5-1 | Tiger Stadium (1-4) | 80-67 | Lost 3 |
| » W: Dan Petry (15-8) L: Brian Denman (2-2) S: Aurelio Lopez (3) | Third | 7 out |
| Saturday, September 18 |
| » Defeated Tigers (74-72), 6-2 | Tiger Stadium (2-4) | 81-67 | |
| » W: Bob Stanley (11-6) L: Jerry Ujdur (9-9) | Third | 7 out |
| Sunday, September 19 |
| » Defeated Tigers (74-73), 6-4 | Tiger Stadium (3-4) | 82-67 | Won 2 |
| » W: John Tudor (12-10) L: Dave Rucker (2-6) S: Mark Clear (14) | Third | 7 out |
| Monday, September 20 |
| » Lost to Brewers (90-60), 4-3 | County Stadium (1-3) | 82-68 | |
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