| Monday, April 3 |
| » Lost to Orioles (1-0), 5-4 | Memorial Stadium (0-1) | 0-1 | |
| » W: Brian Holton (1-0) L: Bob Stanley (0-1) | Third | 1 out |
| » Major-league debuts: Steve Finley (Orioles) |
| Thursday, April 6 |
| » Lost to Orioles (2-0), 6-4 | Memorial Stadium (0-2) | 0-2 | Lost 2 |
| » W: Jose Bautista (1-0) L: Mike Smithson (0-1) S: Mark Williamson (1) | Fourth | 2 out |
| Friday, April 7 |
| » Lost to Royals (3-1), 9-8 | Royals Stadium (0-1) | 0-3 | Lost 3 |
| » W: Jeff Montgomery (2-0) L: Lee Smith (0-1) | Fifth | 2 out |
| Saturday, April 8 |
| » Lost to Royals (4-1), 2-1 | Royals Stadium (0-2) | 0-4 | Lost 4 |
| » W: Luis Aquino (1-0) L: Rob Murphy (0-1) | Sixth | 3 out |
| Former Red Sox Andy Karl dies in LaJolla, CA at the age of 76. |
| Sunday, April 9 |
| » Defeated Royals (4-2), 8-6 | Royals Stadium (1-2) | 1-4 | |
| » W: John Dopson (1-0) L: Jeff Montgomery (2-1) S: Mike Smithson (1) | Sixth | 3 out |
| Monday, April 10 |
| » Defeated Indians (4-2), 5-2 | Fenway Park (1-0) | 2-4 | Won 2 |
| » W: Mike Boddicker (1-0) L: Joe Skalski (0-1) S: Mike Smithson (2) | Fifth | 2 out |
| Wednesday, April 12 |
| » Lost to Indians (5-2), 10-6 | Fenway Park (1-1) | 2-5 | |
| » W: Bud Black (1-1) L: Oil Can Boyd (0-1) S: Keith Atherton (1) | Fifth | 3 out |
| Thursday, April 13 |
| » Defeated Indians (5-3), 9-1 | Fenway Park (2-1) | 3-5 | |
| » W: Roger Clemens (1-0) L: Rich Yett (1-1) | Fourth | 2 out |
| Friday, April 14 |
| » Defeated Orioles (4-5), 7-4 | Fenway Park (3-1) | 4-5 | Won 2 |
| » W: John Dopson (2-0) L: Dave Schmidt (0-1) S: Bob Stanley (1) | Third | 1 out |
| Saturday, April 15 |
| » Lost to Orioles (5-5), 12-4 | Fenway Park (3-2) | 4-6 | |
| » W: Jeff Ballard (2-0) L: Mike Boddicker (1-1) S: Gregg Olson (1) | Fourth | 1 out |
| Monday, April 17 |
| » Defeated Orioles (5-6), 6-4 | Fenway Park (4-2) | 5-6 | |
| » W: Lee Smith (1-1) L: Brian Holton (1-2) S: Bob Stanley (2) | Third | 1 out |
| Wednesday, April 19 |
| » Defeated Indians (5-7), 8-4 | Cleveland Stadium (1-0) | 6-6 | Won 2 |
| » W: Roger Clemens (2-0) L: Bud Black (1-2) | First | -- |
| Thursday, April 20 |
| » Defeated Indians (5-8), 5-2 | Cleveland Stadium (2-0) | 7-6 | Won 3 |
| » W: Oil Can Boyd (1-1) L: Rich Yett (1-2) S: Lee Smith (1) | First | -- |
| Friday, April 21 |
| » Lost to Royals (9-7), 7-4 | Fenway Park (4-3) | 7-7 | |
| » W: Floyd Bannister (2-0) L: John Dopson (2-1) | First | -- |
| Saturday, April 22 |
| » Lost to Royals (10-7), 7-3 | Fenway Park (4-4) | 7-8 | Lost 2 |
| » W: Mark Gubicza (1-1) L: Mike Boddicker (1-2) | Third | ½ out |
| Sunday, April 23 |
| » Lost to Royals (11-7), 10-0 | Fenway Park (4-5) | 7-9 | Lost 3 |
| » W: Charlie Leibrandt (1-2) L: Wes Gardner (0-1) | Third | 1½ out |
| Tuesday, April 25 |
| » Defeated White Sox (7-12), 11-0 | Fenway Park (5-5) | 8-9 | |
| » W: Roger Clemens (3-0) L: Melido Perez (1-2) | Third | 1 out |
| Wednesday, April 26 |
| » Defeated White Sox (7-13), 5-4 | Fenway Park (6-5) | 9-9 | Won 2 |
| » W: Bob Stanley (1-1) L: Barry Jones (1-2) | Third | 1 out |
| Thursday, April 27 |
| » Lost to White Sox (8-13), 3-1 | Fenway Park (6-6) | 9-10 | |
| » W: Donn Pall (1-0) L: Mike Smithson (0-2) | Third | 1 out |
| Friday, April 28 |
| » Game at Arlington Stadium interrupted in the 10th inning with the score of Red Sox 6, Rangers 6. Completed on April 29. |
| Saturday, April 29 |
| » Lost to Rangers (16-4), 7-6 | Arlington Stadium (0-1) | 9-11 | Lost 2 |
| » W: Cecilio Guante (2-1) L: Rob Murphy (0-2) | Second | 1 out |
| » Defeated Rangers (16-5), 8-5 | Arlington Stadium (1-1) | 10-11 | |
| » W: Wes Gardner (1-1) L: Charlie Hough (2-2) S: Lee Smith (2) | Second | 1 out |
| Sunday, April 30 |
| » Lost to Rangers (17-5), 2-1 | Arlington Stadium (1-2) | 10-12 | |
| » W: Nolan Ryan (3-1) L: Roger Clemens (3-1) S: Jeff Russell (5) | Second | 1 out |
| Monday, May 1 |
| » Defeated Twins (10-13), 13-6 | Hubert H. Humphrey Metrodome (1-0) | 11-12 | |
| » W: Oil Can Boyd (2-1) L: Allan Anderson (4-2) | Second | ½ out |
| Tuesday, May 2 |
| » Defeated Twins (10-14), 4-2 | Hubert H. Humphrey Metrodome (2-0) | 12-12 | Won 2 |
| » W: John Dopson (3-1) L: German Gonzalez (2-1) S: Lee Smith (3) | Second | ½ out |
| Wednesday, May 3 |
| » Defeated White Sox (10-17), 8-4 | Comiskey Park I (1-0) | 13-12 | Won 3 |
| » W: Mike Boddicker (2-2) L: Shawn Hillegas (0-4) S: Bob Stanley (3) | First | -- |
| Thursday, May 4 |
| » Lost to White Sox (11-17), 5-4 | Comiskey Park I (1-1) | 13-13 | |
| » W: Bill Long (2-3) L: Wes Gardner (1-2) S: Bobby Thigpen (4) | First | -- |
| Friday, May 5 |
| » Defeated Rangers (18-9), 7-6 | Fenway Park (7-6) | 14-13 | |
| » W: Roger Clemens (4-1) L: Nolan Ryan (3-2) S: Bob Stanley (4) | First | -- |
| Saturday, May 6 |
| » Defeated Rangers (18-10), 7-0 | Fenway Park (8-6) | 15-13 | Won 2 |
| » W: Mike Smithson (1-2) L: Bobby Witt (3-2) | First | -- |
| Sunday, May 7 |
| » Defeated Rangers (18-11), 9-5 | Fenway Park (9-6) | 16-13 | Won 3 |
| » W: John Dopson (4-1) L: Jamie Moyer (3-2) S: Lee Smith (4) | First | -- |
| Monday, May 8 |
| » Lost to Twins (12-18), 4-2 | Fenway Park (9-7) | 16-14 | |
| » W: Shane Rawley (2-4) L: Mike Boddicker (2-3) S: Jeff Reardon (4) | First | -- |
| Tuesday, May 9 |
| » Lost to Twins (13-18), 6-2 | Fenway Park (9-8) | 16-15 | Lost 2 |
| » W: Frank Viola (1-5) L: Wes Gardner (1-3) S: Jeff Reardon (5) | First | -- |
| Friday, May 12 |
| » Defeated Mariners (18-18), 2-0 | Kingdome (1-0) | 17-15 | |
| » W: Roger Clemens (5-1) L: Scott Bankhead (2-3) | First | -- |
| Saturday, May 13 |
| » Lost to Mariners (19-18), 14-6 | Kingdome (1-1) | 17-16 | |
| » W: Jerry Reed (3-2) L: John Dopson (4-2) | First | -- |
| Sunday, May 14 |
| » Lost to Mariners (20-18), 4-3 | Kingdome (1-2) | 17-17 | Lost 2 |
| » W: Steve Trout (3-2) L: Mike Boddicker (2-4) S: Mike Schooler (8) | First | -- |
| Tuesday, May 16 |
| » Lost to Angels (25-13), 7-2 | Anaheim Stadium (0-1) | 17-18 | Lost 3 |
| » W: Kirk McCaskill (5-1) L: Mike Smithson (1-3) | First | -- |
| Wednesday, May 17 |
| » Lost to Angels (26-13), 5-0 | Anaheim Stadium (0-2) | 17-19 | Lost 4 |
| » W: Jim Abbott (3-3) L: Roger Clemens (5-2) | Third | ½ out |
| Thursday, May 18 |
| » Defeated Angels (26-14), 5-2 | Anaheim Stadium (1-2) | 18-19 | |
| » W: John Dopson (5-2) L: Mike Witt (3-4) S: Rob Murphy (1) | First | -- |
| Friday, May 19 |
| » Defeated Athletics (27-14), 7-4 | Oakland-Alameda County Stadium (1-0) | 19-19 | Won 2 |
| » W: Bob Stanley (2-1) L: Gene Nelson (1-1) | First | -- |
| » Major-league debuts: Dick Scott (Athletics) |
| Saturday, May 20 |
| » Lost to Athletics (28-14), 6-3 | Oakland-Alameda County Stadium (1-1) | 19-20 | |
| » W: Dave Stewart (8-1) L: Wes Gardner (1-4) S: Dennis Eckersley (13) | First | -- |
| Sunday, May 21 |
| » Lost to Athletics (29-14), 5-4 | Oakland-Alameda County Stadium (1-2) | 19-21 | Lost 2 |
| » W: Todd Burns (3-0) L: Roger Clemens (5-3) S: Dennis Eckersley (14) | Third | ½ out |
| Tuesday, May 23 |
| » Defeated Mariners (23-22), 6-5 | Fenway Park (10-8) | 20-21 | |
| » W: Lee Smith (2-1) L: Jerry Reed (3-3) | First | -- |
| Wednesday, May 24 |
| » Defeated Mariners (23-23), 6-5 | Fenway Park (11-8) | 21-21 | Won 2 |
| » W: Mike Boddicker (3-4) L: Erik Hanson (4-4) S: Lee Smith (5) | First | -- |
| Thursday, May 25 |
| » Defeated Mariners (23-24), 10-0 | Fenway Park (12-8) | 22-21 | Won 3 |
| » W: Mike Smithson (2-3) L: Mike Dunne (2-4) | First | -- |
| Friday, May 26 |
| » Lost to Angels (30-16), 5-0 | Fenway Park (12-9) | 22-22 | |
| » W: Chuck Finley (7-2) L: Roger Clemens (5-4) | Second | ½ out |
| Sunday, May 28 |
| » Lost to Angels (31-16), 3-0 | Fenway Park (12-10) | 22-23 | Lost 2 |
| » W: Kirk McCaskill (6-1) L: John Dopson (5-3) | Second | 1 out |
| Monday, May 29 |
| » Defeated Athletics (33-17), 3-2 | Fenway Park (13-10) | 23-23 | |
| » W: Lee Smith (3-1) L: Bob Welch (6-4) | Second | 1 out |
| Tuesday, May 30 |
| » Lost to Athletics (34-17), 4-2 | Fenway Park (13-11) | 23-24 | |
| » W: Dave Stewart (9-2) L: Mike Smithson (2-4) S: Rick Honeycutt (4) | Second | 2 out |
| Wednesday, May 31 |
| » Defeated Athletics (34-18), 4-3 | Fenway Park (14-11) | 24-24 | |
| » W: Lee Smith (4-1) L: Eric Plunk (1-1) | Second | 2 out |
| Friday, June 2 |
| » Lost to Blue Jays (21-31), 7-2 | Fenway Park (14-12) | 24-25 | |
| » W: John Cerutti (2-3) L: John Dopson (5-4) S: Duane Ward (4) | Third | 3½ out |
| Saturday, June 3 |
| » Lost to Blue Jays (22-31), 10-2 | Fenway Park (14-13) | 24-26 | Lost 2 |
| » W: Dave Stieb (4-3) L: Mike Boddicker (3-5) | Third | 4½ out |
| Sunday, June 4 |
| » Lost to Blue Jays (23-31), 13-11 | Fenway Park (14-14) | 24-27 | Lost 3 |
| » W: Duane Ward (2-6) L: Dennis Lamp (0-1) | Third | 5½ out |
| » Major-league debuts: Xavier Hernandez (Blue Jays) |
| Monday, June 5 |
| » Defeated Tigers (22-33), 5-2 | Tiger Stadium (1-0) | 25-27 | |
| » W: Roger Clemens (6-4) L: David Palmer (0-1) S: Rob Murphy (2) | Third | 5½ out |
| Tuesday, June 6 |
| » Lost to Tigers (23-33), 5-1 | Tiger Stadium (1-1) | 25-28 | |
| » W: Mike Schwabe (1-0) L: Joe Price (1-2) S: Willie Hernandez (12) | Third | 5½ out |
| Wednesday, June 7 |
| » Defeated Tigers (23-34), 6-1 | Tiger Stadium (2-1) | 26-28 | |
| » W: John Dopson (6-4) L: Doyle Alexander (4-6) | Third | 5 out |
| Thursday, June 8 |
| » Lost to Yankees (27-30), 8-7 | Yankee Stadium (0-1) | 26-29 | |
| » W: Lance McCullers (2-1) L: Bob Stanley (2-2) | Fourth | 5 out |
| Saturday, June 10 |
| » Defeated Yankees (27-31), 14-8 | Yankee Stadium (1-1) | 27-29 | |
| » W: Roger Clemens (7-4) L: Richard Dotson (2-4) | Third | 4½ out |
| Sunday, June 11 |
| » Lost to Yankees (28-31), 4-2 | Yankee Stadium (1-2) | 27-30 | |
| » W: Andy Hawkins (6-7) L: Joe Price (1-3) S: Dave Righetti (9) | Fourth | 5 out |
| » Lost to Yankees (29-31), 8-7 | Yankee Stadium (1-3) | 27-31 | Lost 2 |
| » W: Scott Nielsen (1-0) L: Rob Murphy (0-3) S: Lee Guetterman (9) | Fourth | 5 out |
| Tuesday, June 13 |
| » Defeated Tigers (24-38), 8-7 | Fenway Park (15-14) | 28-31 | |
| » W: Wes Gardner (2-4) L: Frank Williams (3-3) S: Lee Smith (6) | Third | 5 out |
| Wednesday, June 14 |
| » Lost to Tigers (25-38), 7-3 | Fenway Park (15-15) | 28-32 | |
| » W: Frank Tanana (6-6) L: Mike Boddicker (3-6) | Fourth | 5 out |
| Friday, June 16 |
| » Defeated White Sox (24-42), 2-0 | Comiskey Park I (2-1) | 29-32 | |
| » W: Roger Clemens (8-4) L: Ken Patterson (3-1) | Fourth | 5 out |
| Saturday, June 17 |
| » Defeated White Sox (24-43), 6-1 | Comiskey Park I (3-1) | 30-32 | Won 2 |
| » W: Mike Smithson (3-4) L: Melido Perez (3-9) | Fourth | 5 out |
| Sunday, June 18 |
| » Defeated White Sox (24-44), 7-4 | Comiskey Park I (4-1) | 31-32 | Won 3 |
| » W: Joe Price (2-3) L: Steve Rosenberg (2-3) S: Lee Smith (7) | Third | 5 out |
| Monday, June 19 |
| » Lost to White Sox (25-44), 8-2 | Comiskey Park I (4-2) | 31-33 | |
| » W: Shawn Hillegas (3-6) L: John Dopson (6-5) S: Donn Pall (3) | Third | 6 out |
| Tuesday, June 20 |
| » Defeated Rangers (37-31), 6-3 | Fenway Park (16-15) | 32-33 | |
| » W: Mike Boddicker (4-6) L: Jeff Russell (3-2) S: Lee Smith (8) | Second | 6 out |
| Wednesday, June 21 |
| » Lost to Rangers (38-31), 10-3 | Fenway Park (16-16) | 32-34 | |
| » W: Gary Mielke (1-0) L: Roger Clemens (8-5) | Third | 7 out |
| » Major-league debuts: Dana Williams (Red Sox) |
| Thursday, June 22 |
| » Lost to Rangers (39-31), 9-1 | Fenway Park (16-17) | 32-35 | Lost 2 |
| » W: Kevin Brown (6-4) L: Mike Smithson (3-5) | Fourth | 8 out |
| Friday, June 23 |
| » Lost to Twins (36-35), 10-0 | Fenway Park (16-18) | 32-36 | Lost 3 |
| » W: Frank Viola (5-8) L: Joe Price (2-4) | Fourth | 8 out |
| Saturday, June 24 |
| » Defeated Twins (36-36), 6-2 | Fenway Park (17-18) | 33-36 | |
| » W: John Dopson (7-5) L: Francisco Oliveras (3-4) | Third | 6½ out |
| » Defeated Twins (36-37), 11-2 | Fenway Park (18-18) | 34-36 | Won 2 |
| » W: Mike Smithson (4-5) L: Freddie Toliver (1-3) | Third | 6½ out |
| Sunday, June 25 |
| » Lost to Twins (37-37), 7-0 | Fenway Park (18-19) | 34-37 | |
| » W: Allan Anderson (9-4) L: Mike Boddicker (4-7) | Fourth | 6½ out |
| Tuesday, June 27 |
| » Lost to Brewers (36-40), 5-4 | County Stadium (0-1) | 34-38 | Lost 2 |
| » W: Don August (7-7) L: Roger Clemens (8-6) S: Dan Plesac (19) | Fifth | 7½ out |
| Wednesday, June 28 |
| » Lost to Brewers (37-40), 12-5 | County Stadium (0-2) | 34-39 | Lost 3 |
| » W: Teddy Higuera (2-2) L: Mike Smithson (4-6) | Fifth | 8½ out |
| Thursday, June 29 |
| » Defeated Brewers (37-41), 2-1 | County Stadium (1-2) | 35-39 | |
| » W: John Dopson (8-5) L: Chris Bosio (7-5) S: Lee Smith (9) | Sixth | 7½ out |
| Friday, June 30 |
| » Defeated Blue Jays (37-41), 3-1 | Skydome (1-0) | 36-39 | Won 2 |
| » W: Mike Boddicker (5-7) L: David Wells (2-3) S: Rob Murphy (3) | Third | 6½ out |
| Saturday, July 1 |
| » Defeated Blue Jays (37-42), 3-1 | Skydome (2-0) | 37-39 | Won 3 |
| » W: Eric Hetzel (1-0) L: Todd Stottlemyre (0-4) S: Lee Smith (10) | Third | 6½ out |
| » Major-league debuts: Eric Hetzel (Red Sox) |
| Sunday, July 2 |
| » Defeated Blue Jays (37-43), 4-1 | Skydome (3-0) | 38-39 | Won 4 |
| » W: Rob Murphy (1-3) L: David Wells (2-4) S: Lee Smith (11) | Second | 5½ out |
| Monday, July 3 |
| » Lost to Blue Jays (38-43), 3-2 | Skydome (3-1) | 38-40 | |
| » W: John Cerutti (4-4) L: Mike Smithson (4-7) S: Duane Ward (6) | Third | 6½ out |
| Tuesday, July 4 |
| » Lost to Brewers (40-43), 4-3 | Fenway Park (18-20) | 38-41 | Lost 2 |
| » W: Chris Bosio (8-5) L: Joe Price (2-5) S: Dan Plesac (21) | Fourth | 7½ out |
| Thursday, July 6 |
| » Defeated Brewers (40-44), 5-4 | Fenway Park (19-20) | 39-41 | |
| » W: Mike Boddicker (6-7) L: Jaime Navarro (1-1) S: Lee Smith (12) | Third | 7 out |
| Friday, July 7 |
| » Defeated Yankees (42-42), 6-4 | Fenway Park (20-20) | 40-41 | Won 2 |
| » W: Roger Clemens (9-6) L: Greg Cadaret (1-1) S: Rob Murphy (4) | Third | 6 out |
| Saturday, July 8 |
| » Lost to Yankees (43-42), 7-5 | Fenway Park (20-21) | 40-42 | |
| » W: Eric Plunk (4-1) L: Mike Smithson (4-8) S: Dave Righetti (16) | Third | 7 out |
| Sunday, July 9 |
| » Defeated Yankees (43-43), 10-5 | Fenway Park (21-21) | 41-42 | |
| » W: Lee Smith (5-1) L: Don Schulze (1-1) | Third | 6 out |
| Thursday, July 13 |
| » Defeated Twins (41-47), 3-1 | Hubert H. Humphrey Metrodome (3-0) | 42-42 | Won 2 |
| » W: Roger Clemens (10-6) L: Frank Viola (7-10) S: Lee Smith (13) | Third | 5 out |
| Friday, July 14 |
| » Defeated Twins (41-48), 5-0 | Hubert H. Humphrey Metrodome (4-0) | 43-42 | Won 3 |
| » W: Mike Boddicker (7-7) L: Allan Anderson (9-8) | Third | 5 out |
| Saturday, July 15 |
| » Lost to Twins (42-48), 3-2 | Hubert H. Humphrey Metrodome (4-1) | 43-43 | |
| » W: Juan Berenguer (5-3) L: Mike Smithson (4-9) S: Jeff Reardon (15) | Second | 6 out |
| Sunday, July 16 |
| » Lost to Twins (43-48), 4-3 | Hubert H. Humphrey Metrodome (4-2) | 43-44 | Lost 2 |
| » W: Randy St.claire (1-0) L: Rob Murphy (1-4) | Third | 7 out |
| Monday, July 17 |
| » Lost to Rangers (49-42), 12-6 | Arlington Stadium (1-3) | 43-45 | Lost 3 |
| » W: Cecilio Guante (5-4) L: Wes Gardner (2-5) | Fourth | 8 out |
| Tuesday, July 18 |
| » Lost to Rangers (50-42), 8-1 | Arlington Stadium (1-4) | 43-46 | Lost 4 |
| » W: Bobby Witt (8-8) L: Roger Clemens (10-7) | Fourth | 9 out |
| Wednesday, July 19 |
| » Defeated Rangers (50-43), 4-0 | Arlington Stadium (2-4) | 44-46 | |
| » W: Mike Boddicker (8-7) L: Charlie Hough (5-11) S: Rob Murphy (5) | Third | 8 out |
| Friday, July 21 |
| » Lost to White Sox (39-56), 1-0 | Fenway Park (21-22) | 44-47 | |
| » W: Melido Perez (7-10) L: Eric Hetzel (1-1) S: Bobby Thigpen (19) | Third | 7½ out |
| Saturday, July 22 |
| » Lost to White Sox (40-56), 10-6 | Fenway Park (21-23) | 44-48 | Lost 2 |
| » W: Ken Patterson (4-1) L: Rob Murphy (1-5) S: Donn Pall (6) | Fifth | 7½ out |
| Sunday, July 23 |
| » Defeated White Sox (40-57), 8-2 | Fenway Park (22-23) | 45-48 | |
| » W: Roger Clemens (11-7) L: Steve Rosenberg (3-6) | Fourth | 6½ out |
| Tuesday, July 25 |
| » Defeated Royals (54-45), 10-0 | Fenway Park (23-23) | 46-48 | Won 2 |
| » W: Mike Boddicker (9-7) L: Charlie Leibrandt (5-10) | Fourth | 5½ out |
| Wednesday, July 26 |
| » Lost to Royals (55-45), 7-4 | Fenway Park (23-24) | 46-49 | |
| » W: Bret Saberhagen (10-5) L: Joe Price (2-6) S: Jeff Montgomery (5) | Fourth | 5½ out |
| Thursday, July 27 |
| » Defeated Royals (55-46), 7-2 | Fenway Park (24-24) | 47-49 | |
| » W: John Dopson (9-5) L: Tom Gordon (11-4) | Fourth | 4½ out |
| Friday, July 28 |
| » Lost to Indians (50-50), 3-2 | Cleveland Stadium (2-1) | 47-50 | |
| » W: Tom Candiotti (9-6) L: Roger Clemens (11-8) | Fourth | 6 out |
| » Lost to Indians (51-50), 2-1 | Cleveland Stadium (2-2) | 47-51 | Lost 2 |
| » W: Rod Nichols (1-1) L: Wes Gardner (2-6) S: Doug Jones (24) | Fourth | 6 out |
| Saturday, July 29 |
| » Defeated Indians (51-51), 5-0 | Cleveland Stadium (3-2) | 48-51 | |
| » W: Mike Smithson (5-9) L: Bud Black (8-8) | Fourth | 5 out |
| » Major-league debuts: Steve Olin (Indians) |
| Sunday, July 30 |
| » Defeated Indians (51-52), 5-2 | Cleveland Stadium (4-2) | 49-51 | Won 2 |
| » W: Dennis Lamp (1-1) L: John Farrell (6-10) S: Rob Murphy (6) | Third | 4 out |
| Monday, July 31 |
| » Defeated Orioles (54-49), 9-6 | Fenway Park (25-24) | 50-51 | Won 3 |
| » W: Bob Stanley (3-2) L: Bob Milacki (5-9) S: Lee Smith (14) | Second | 3 out |
| Tuesday, August 1 |
| » Defeated Orioles (54-50), 5-3 | Fenway Park (26-24) | 51-51 | Won 4 |
| » W: Rob Murphy (2-5) L: Pete Harnisch (1-5) S: Lee Smith (15) | Second | 1 out |
| » Defeated Orioles (54-51), 6-2 | Fenway Park (27-24) | 52-51 | Won 5 |
| » W: Wes Gardner (3-6) L: Dave Johnson (0-1) | Second | 1 out |
| Wednesday, August 2 |
| » Lost to Orioles (55-51), 9-8 | Fenway Park (27-25) | 52-52 | |
| » W: Mark Williamson (8-3) L: Eric Hetzel (1-2) S: Mark Thurmond (3) | Second | 2 out |
| Thursday, August 3 |
| » Lost to Indians (53-54), 4-2 | Fenway Park (27-26) | 52-53 | Lost 2 |
| » W: Rod Nichols (2-1) L: Tom Bolton (0-1) S: Doug Jones (25) | Second | 2½ out |
| Friday, August 4 |
| » Lost to Indians (54-54), 4-3 | Fenway Park (27-27) | 52-54 | Lost 3 |
| » W: Bud Black (9-8) L: Mike Boddicker (9-8) S: Doug Jones (26) | Fourth | 2½ out |
| Saturday, August 5 |
| » Defeated Indians (54-55), 10-2 | Fenway Park (28-27) | 53-54 | |
| » W: Mike Smithson (6-9) L: John Farrell (6-11) | Second | 2½ out |
| Sunday, August 6 |
| » Defeated Indians (54-56), 6-4 | Fenway Park (29-27) | 54-54 | Won 2 |
| » W: Rob Murphy (3-5) L: Jesse Orosco (1-3) | Second | 2½ out |
| Monday, August 7 |
| » Lost to Royals (61-50), 6-4 | Royals Stadium (1-3) | 54-55 | |
| » W: Mark Gubicza (10-9) L: Greg Harris (2-3) S: Steve Farr (17) | Third | 2½ out |
| Tuesday, August 8 |
| » Lost to Royals (62-50), 8-1 | Royals Stadium (1-4) | 54-56 | Lost 2 |
| » W: Tom Gordon (13-4) L: Tom Bolton (0-2) | Third | 3½ out |
| Wednesday, August 9 |
| » Defeated Royals (62-51), 6-2 | Royals Stadium (2-4) | 55-56 | |
| » W: Mike Boddicker (10-8) L: Luis Aquino (6-6) | Fourth | 2½ out |
| Friday, August 11 |
| » Defeated Orioles (58-55), 6-4 | Memorial Stadium (1-2) | 56-56 | Won 2 |
| » W: Roger Clemens (12-8) L: Bob Milacki (6-10) | Second | 2½ out |
| » Lost to Orioles (59-55), 4-1 | Memorial Stadium (1-3) | 56-57 | |
| » W: Pete Harnisch (2-5) L: Mike Smithson (6-10) | Second | 2½ out |
| Saturday, August 12 |
| » Defeated Orioles (59-56), 10-8 | Memorial Stadium (2-3) | 57-57 | |
| » W: Bob Stanley (4-2) L: Kevin Hickey (2-3) | Second | 1½ out |
| Sunday, August 13 |
| » Lost to Orioles (60-56), 6-1 | Memorial Stadium (2-4) | 57-58 | |
| » W: Dave Johnson (2-1) L: Tom Bolton (0-3) | Second | 2½ out |
| Monday, August 14 |
| » Lost to Blue Jays (59-59), 4-2 | Fenway Park (29-28) | 57-59 | Lost 2 |
| » W: Mauro Gozzo (2-0) L: Mike Boddicker (10-9) S: Tom Henke (11) | Fourth | 3½ out |
| Tuesday, August 15 |
| » Lost to Blue Jays (60-59), 7-2 | Fenway Park (29-29) | 57-60 | Lost 3 |
| » W: Dave Stieb (12-7) L: Mike Smithson (6-11) S: Duane Ward (12) | Fourth | 4½ out |
| Wednesday, August 16 |
| » Lost to Blue Jays (61-59), 7-3 | Fenway Park (29-30) | 57-61 | Lost 4 |
| » W: David Wells (6-4) L: Rob Murphy (3-6) S: Tom Henke (12) | Fourth | 4½ out |
| Thursday, August 17 |
| » Lost to Brewers (63-60), 8-4 | County Stadium (1-3) | 57-62 | Lost 5 |
| » W: Chris Bosio (14-7) L: Wes Gardner (3-7) | Fourth | 5½ out |
| » Major-league debuts: Billy Bates (Brewers) |
| Friday, August 18 |
| » Lost to Brewers (64-60), 5-2 | County Stadium (1-4) | 57-63 | Lost 6 |
| » W: Tom Filer (4-1) L: Tom Bolton (0-4) S: Bill Krueger (2) | Fourth | 5½ out |
| Saturday, August 19 |
| » Defeated Brewers (64-61), 3-1 | County Stadium (2-4) | 58-63 | |
| » W: Greg Harris (3-3) L: Mark Knudson (4-4) | Fourth | 4½ out |
| Sunday, August 20 |
| » Lost to Brewers (65-61), 6-3 | County Stadium (2-5) | 58-64 | |
| » W: Jaime Navarro (4-5) L: Mike Smithson (6-12) S: Tony Fossas (1) | Fourth | 5½ out |
| Monday, August 21 |
| » Lost to Yankees (57-68), 6-4 | Yankee Stadium (1-4) | 58-65 | Lost 2 |
| » W: Walt Terrell (7-16) L: Roger Clemens (12-9) S: Rich Gossage (5) | Fourth | 6½ out |
| Tuesday, August 22 |
| » Defeated Yankees (57-69), 4-3 | Yankee Stadium (2-4) | 59-65 | |
| » W: Rob Murphy (4-6) L: John Candelaria (3-3) S: Lee Smith (16) | Fourth | 6½ out |
| Wednesday, August 23 |
| » Defeated Yankees (57-70), 4-1 | Yankee Stadium (3-4) | 60-65 | Won 2 |
| » W: Mike Boddicker (11-9) L: Andy Hawkins (13-12) S: Lee Smith (17) | Fourth | 6½ out |
| » Major-league debuts: Hensley Meulens (Yankees) |
| Friday, August 25 |
| » Defeated Tigers (47-82), 4-2 | Fenway Park (30-30) | 61-65 | Won 3 |
| » W: Mike Smithson (7-12) L: Doyle Alexander (5-15) S: Rob Murphy (7) | Fourth | 6 out |
| » Defeated Tigers (47-83), 11-3 | Fenway Park (31-30) | 62-65 | Won 4 |
| » W: Dennis Lamp (2-1) L: Kevin Ritz (3-2) | Fourth | 6 out |
| Saturday, August 26 |
| » Defeated Tigers (47-84), 5-2 | Fenway Park (32-30) | 63-65 | Won 5 |
| » W: Roger Clemens (13-9) L: Frank Tanana (9-12) S: Lee Smith (18) | Fourth | 6 out |
| Sunday, August 27 |
| » Defeated Tigers (47-85), 7-1 | Fenway Park (33-30) | 64-65 | Won 6 |
| » W: Joe Price (3-6) L: Brian DuBois (0-2) | Third | 6 out |
| Monday, August 28 |
| » Defeated Tigers (47-86), 6-3 | Fenway Park (34-30) | 65-65 | Won 7 |
| » W: Mike Boddicker (12-9) L: Jeff Robinson (3-4) S: Lee Smith (19) | Third | 5½ out |
| Tuesday, August 29 |
| » Defeated Angels (77-53), 8-4 | Fenway Park (35-30) | 66-65 | Won 8 |
| » W: Dennis Lamp (3-1) L: Bert Blyleven (14-3) | Third | 4 out |
| » Defeated Angels (77-54), 13-5 | Fenway Park (36-30) | 67-65 | Won 9 |
| » W: Bob Stanley (5-2) L: Dan Petry (3-1) | Third | 4 out |
| Wednesday, August 30 |
| » Lost to Angels (78-54), 4-0 | Fenway Park (36-31) | 67-66 | |
| » W: Jim Abbott (11-9) L: John Dopson (9-6) | Third | 5 out |
| Thursday, August 31 |
| » Defeated Angels (78-55), 5-2 | Fenway Park (37-31) | 68-66 | |
| » W: Roger Clemens (14-9) L: Kirk McCaskill (14-8) | Second | 4 out |
| Former Red Sox Skeeter Newsome dies in Columbus, GA at the age of 79. |
| Friday, September 1 |
| » Lost to Mariners (60-74), 7-2 | Fenway Park (37-32) | 68-67 | |
| » W: Scott Bankhead (12-6) L: Mike Smithson (7-13) S: Mike Jackson (7) | Third | 5 out |
| Saturday, September 2 |
| » Defeated Mariners (60-75), 6-5 | Fenway Park (38-32) | 69-67 | |
| » W: Dennis Lamp (4-1) L: Mike Dunne (3-10) S: Lee Smith (20) | Third | 5 out |
| Sunday, September 3 |
| » Lost to Mariners (61-75), 3-2 | Fenway Park (38-33) | 69-68 | |
| » W: Erik Hanson (6-4) L: Oil Can Boyd (2-2) S: Mike Schooler (26) | Third | 5 out |
| Monday, September 4 |
| » Defeated Athletics (83-55), 8-5 | Oakland-Alameda County Stadium (2-2) | 70-68 | |
| » W: John Dopson (10-6) L: Mike Moore (16-9) S: Lee Smith (21) | Third | 5 out |
| Tuesday, September 5 |
| » Lost to Athletics (84-55), 13-1 | Oakland-Alameda County Stadium (2-3) | 70-69 | |
| » W: Curt Young (5-9) L: Roger Clemens (14-10) | Third | 6 out |
| Wednesday, September 6 |
| » Lost to Athletics (85-55), 7-5 | Oakland-Alameda County Stadium (2-4) | 70-70 | Lost 2 |
| » W: Bob Welch (16-7) L: Mike Smithson (7-14) S: Dennis Eckersley (29) | Third | 7 out |
| Thursday, September 7 |
| » Major-league debuts: John Barfield (Rangers) |
| Friday, September 8 |
| » Lost to Angels (80-61), 2-1 | Anaheim Stadium (1-3) | 70-71 | Lost 3 |
| » W: Bert Blyleven (15-4) L: Mike Boddicker (12-10) S: Bryan Harvey (20) | Fourth | 7½ out |
| Saturday, September 9 |
| » Lost to Angels (81-61), 8-5 | Anaheim Stadium (1-4) | 70-72 | Lost 4 |
| » W: Willie Fraser (4-6) L: Rob Murphy (4-7) S: Bryan Harvey (21) | Fourth | 8½ out |
| Sunday, September 10 |
| » Lost to Angels (82-61), 2-1 | Anaheim Stadium (1-5) | 70-73 | Lost 5 |
| » W: Bob McClure (5-1) L: Dennis Lamp (4-2) | Fourth | 9½ out |
| Monday, September 11 |
| » Lost to Mariners (62-81), 2-1 | Kingdome (1-3) | 70-74 | Lost 6 |
| » W: Brian Holman (7-11) L: John Dopson (10-7) S: Mike Schooler (27) | Fourth | 10 out |
| Tuesday, September 12 |
| » Lost to Mariners (63-81), 5-3 | Kingdome (1-4) | 70-75 | Lost 7 |
| » W: Scott Bankhead (13-6) L: Eric Hetzel (1-3) S: Mike Schooler (28) | Fourth | 10 out |
| Wednesday, September 13 |
| » Lost to Mariners (64-81), 7-4 | Kingdome (1-5) | 70-76 | Lost 8 |
| » W: Jerry Reed (6-6) L: Mike Boddicker (12-11) S: Mike Schooler (29) | Fourth | 10 out |
| Friday, September 15 |
| » Defeated Athletics (88-58), 7-2 | Fenway Park (39-33) | 71-76 | |
| » W: Roger Clemens (15-10) L: Mike Moore (17-10) | Fourth | 9½ out |
| » Major-league debuts: Dann Howitt (Athletics) |
| Saturday, September 16 |
| » Defeated Athletics (88-59), 5-2 | Fenway Park (40-33) | |