| Monday, February 17 |
| Former Yankee Red Ruffing dies in Mayfield Hts., OH at the age of 82. |
| Monday, April 7 |
| » Major-league debuts: John Kruk (Padres) |
| Tuesday, April 8 |
| » Defeated Royals (0-1), 4-2 | Yankee Stadium (1-0) | 1-0 | |
| » W: Ron Guidry (1-0) L: Buddy Black (0-1) S: Dave Righetti (1) | First | -- |
| Wednesday, April 9 |
| » Lost to Royals (1-1), 7-4 | Yankee Stadium (1-1) | 1-1 | |
| » W: Steve Farr (1-0) L: Ed Whitson (0-1) S: Dan Quisenberry (1) | Second | 1 out |
| Thursday, April 10 |
| » Defeated Royals (1-2), 6-5 | Yankee Stadium (2-1) | 2-1 | |
| » W: Dave Righetti (1-0) L: Alan Hargesheimer (0-1) | Second | 1 out |
| Friday, April 11 |
| » Defeated Brewers (3-1), 3-2 | Yankee Stadium (3-1) | 3-1 | Won 2 |
| » W: Bob Tewksbury (1-0) L: Bill Wegman (0-1) S: Rod Scurry (1) | First | -- |
| » Major-league debuts: Bob Tewksbury (Yankees) Dan Plesac (Brewers) |
| Saturday, April 12 |
| » Defeated Brewers (3-2), 7-3 | Yankee Stadium (4-1) | 4-1 | Won 3 |
| » W: Dennis Rasmussen (1-0) L: Teddy Higuera (1-1) S: Dave Righetti (2) | First | -- |
| » Major-league debuts: Juan Castillo (Brewers) |
| Sunday, April 13 |
| » Defeated Brewers (3-3), 3-2 | Yankee Stadium (5-1) | 5-1 | Won 4 |
| » W: Ron Guidry (2-0) L: Jaime Cocanower (0-1) S: Dave Righetti (3) | First | -- |
| Tuesday, April 15 |
| » Defeated Indians (3-4), 6-2 | Cleveland Stadium (1-0) | 6-1 | Won 5 |
| » W: Joe Niekro (1-0) L: Tom Candiotti (0-1) S: Brian Fisher (1) | First | -- |
| Thursday, April 17 |
| » Lost to Indians (4-4), 6-4 | Cleveland Stadium (1-1) | 6-2 | |
| » W: Phil Niekro (1-1) L: Bob Tewksbury (1-1) S: Scott Bailes (1) | First | -- |
| Friday, April 18 |
| » Lost to Brewers (4-5), 6-5 | County Stadium (0-1) | 6-3 | Lost 2 |
| » W: Dan Plesac (1-0) L: Brian Fisher (0-1) | First | -- |
| Saturday, April 19 |
| » Lost to Brewers (5-5), 4-3 | County Stadium (0-2) | 6-4 | Lost 3 |
| » W: Bob McClure (1-0) L: Rod Scurry (0-1) | First | -- |
| Sunday, April 20 |
| » Defeated Brewers (5-6), 5-4 | County Stadium (1-2) | 7-4 | |
| » W: Dave Righetti (2-0) L: Mark Clear (0-1) | First | -- |
| Monday, April 21 |
| » Defeated Royals (7-6), 8-4 | Royals Stadium (1-0) | 8-4 | Won 2 |
| » W: Ed Whitson (1-1) L: Bret Saberhagen (1-1) | First | -- |
| Tuesday, April 22 |
| » Defeated Royals (7-7), 5-1 | Royals Stadium (2-0) | 9-4 | Won 3 |
| » W: Bob Tewksbury (2-1) L: Mark Gubicza (0-3) S: Dave Righetti (4) | First | -- |
| Wednesday, April 23 |
| » Defeated Royals (7-8), 2-1 | Royals Stadium (3-0) | 10-4 | Won 4 |
| » W: Dennis Rasmussen (2-0) L: Dennis Leonard (2-1) S: Brian Fisher (2) | First | -- |
| Thursday, April 24 |
| » Defeated Indians (7-7), 2-1 | Yankee Stadium (6-1) | 11-4 | Won 5 |
| » W: Ron Guidry (3-0) L: Neal Heaton (0-1) | First | -- |
| Friday, April 25 |
| » Defeated Indians (7-8), 10-3 | Yankee Stadium (7-1) | 12-4 | Won 6 |
| » W: Joe Niekro (2-0) L: Tom Candiotti (1-2) S: Dave Righetti (5) | First | -- |
| Saturday, April 26 |
| » Lost to Indians (8-8), 3-2 | Yankee Stadium (7-2) | 12-5 | |
| » W: Don Schulze (1-0) L: Bob Shirley (0-1) S: Ernie Camacho (4) | First | -- |
| » Major-league debuts: Phil Lombardi (Yankees) |
| Sunday, April 27 |
| » Lost to Indians (9-8), 9-7 | Yankee Stadium (7-3) | 12-6 | Lost 2 |
| » W: Scott Bailes (3-1) L: Dave Righetti (2-1) S: Rich Yett (1) | First | -- |
| Tuesday, April 29 |
| » Defeated Twins (8-12), 14-11 | Yankee Stadium (8-3) | 13-6 | |
| » W: Ed Whitson (2-1) L: Mark Portugal (0-2) | First | -- |
| Wednesday, April 30 |
| » Defeated Twins (8-13), 3-2 | Yankee Stadium (9-3) | 14-6 | Won 2 |
| » W: Joe Niekro (3-0) L: Bert Blyleven (2-1) S: Brian Fisher (3) | First | -- |
| Thursday, May 1 |
| » Lost to Twins (9-13), 7-4 | Yankee Stadium (9-4) | 14-7 | |
| » W: Juan Agosto (1-2) L: Dennis Rasmussen (2-1) | First | -- |
| Former Yankee Ed Wells dies in Montgomery, AL at the age of 86. |
| Friday, May 2 |
| » Lost to Rangers (10-10), 7-0 | Yankee Stadium (9-5) | 14-8 | Lost 2 |
| » W: Ed Correa (2-2) L: Bob Shirley (0-2) | First | -- |
| Saturday, May 3 |
| » Defeated Rangers (10-11), 9-4 | Yankee Stadium (10-5) | 15-8 | |
| » W: Bob Tewksbury (3-1) L: Bobby Witt (2-1) S: Rod Scurry (2) | First | -- |
| Sunday, May 4 |
| » Lost to Rangers (11-11), 4-3 | Yankee Stadium (10-6) | 15-9 | |
| » W: Mitch Williams (2-0) L: Ron Guidry (3-1) S: Greg Harris (3) | Second | 1 out |
| Monday, May 5 |
| » Defeated White Sox (7-16), 4-1 | Comiskey Park I (1-0) | 16-9 | |
| » W: Joe Niekro (4-0) L: Richard Dotson (1-3) S: Dave Righetti (6) | Second | 1 out |
| Tuesday, May 6 |
| » Defeated White Sox (7-17), 10-6 | Comiskey Park I (2-0) | 17-9 | Won 2 |
| » W: Brian Fisher (1-1) L: Bill Dawley (0-2) | Second | 1 out |
| » Major-league debuts: Joel McKeon (White Sox) |
| Wednesday, May 7 |
| » Defeated White Sox (7-18), 5-1 | Comiskey Park I (3-0) | 18-9 | Won 3 |
| » W: Tommy John (1-0) L: Floyd Bannister (1-3) S: Dave Righetti (7) | Second | 1 out |
| Saturday, May 10 |
| » Defeated Rangers (13-13), 4-3 | Arlington Stadium (1-0) | 19-9 | Won 4 |
| » W: Ron Guidry (4-1) L: Greg Harris (2-4) S: Dave Righetti (8) | First | -- |
| Sunday, May 11 |
| » Lost to Rangers (14-13), 6-3 | Arlington Stadium (1-1) | 19-10 | |
| » W: Mike Mason (2-0) L: Joe Niekro (4-1) S: Greg Harris (6) | Second | 1 out |
| » Lost to Rangers (15-13), 9-1 | Arlington Stadium (1-2) | 19-11 | Lost 2 |
| » W: Jose Guzman (2-5) L: Bob Tewksbury (3-2) | Second | 1 out |
| Monday, May 12 |
| » Defeated Twins (13-18), 9-8 | Hubert H. Humphrey Metrodome (1-0) | 20-11 | |
| » W: Dennis Rasmussen (3-1) L: Mark Portugal (0-3) S: Dave Righetti (9) | First | -- |
| Tuesday, May 13 |
| » Defeated Twins (13-19), 6-4 | Hubert H. Humphrey Metrodome (2-0) | 21-11 | Won 2 |
| » W: Tommy John (2-0) L: Bert Blyleven (3-3) S: Dave Righetti (10) | First | -- |
| Wednesday, May 14 |
| » Lost to White Sox (11-20), 3-2 | Yankee Stadium (10-7) | 21-12 | |
| » W: Joel McKeon (2-0) L: Brian Fisher (1-2) S: Bob James (6) | First | -- |
| Thursday, May 15 |
| » Lost to White Sox (12-20), 8-1 | Yankee Stadium (10-8) | 21-13 | Lost 2 |
| » W: Neil Allen (1-0) L: Ron Guidry (4-2) | Second | ½ out |
| Friday, May 16 |
| » Lost to Mariners (14-22), 7-3 | Yankee Stadium (10-9) | 21-14 | Lost 3 |
| » W: Mark Langston (2-3) L: Joe Niekro (4-2) S: Pete Ladd (3) | Second | ½ out |
| Saturday, May 17 |
| » Defeated Mariners (14-23), 11-6 | Yankee Stadium (11-9) | 22-14 | |
| » W: Bob Tewksbury (4-2) L: Matt Young (3-3) | Second | ½ out |
| Sunday, May 18 |
| » Defeated Mariners (14-24), 11-3 | Yankee Stadium (12-9) | 23-14 | Won 2 |
| » W: Dennis Rasmussen (4-1) L: Mike Morgan (3-4) | Second | ½ out |
| Tuesday, May 20 |
| » Lost to Athletics (20-19), 2-1 | Yankee Stadium (12-10) | 23-15 | |
| » W: Curt Young (2-0) L: Ron Guidry (4-3) S: Jay Howell (5) | Second | 2 out |
| Wednesday, May 21 |
| » Defeated Athletics (20-20), 10-4 | Yankee Stadium (13-10) | 24-15 | |
| » W: Joe Niekro (5-2) L: Eric Plunk (0-1) | Second | 2 out |
| Thursday, May 22 |
| » Defeated Athletics (20-21), 4-3 | Yankee Stadium (14-10) | 25-15 | Won 2 |
| » W: Dave Righetti (3-1) L: Jay Howell (0-3) | Second | 1½ out |
| Friday, May 23 |
| » Defeated Angels (21-20), 10-5 | Yankee Stadium (15-10) | 26-15 | Won 3 |
| » W: Ed Whitson (3-1) L: Don Sutton (2-4) | Second | 1½ out |
| Saturday, May 24 |
| » Defeated Angels (21-21), 7-6 | Yankee Stadium (16-10) | 27-15 | Won 4 |
| » W: Dave Righetti (4-1) L: Donnie Moore (1-3) | Second | ½ out |
| Sunday, May 25 |
| » Defeated Angels (21-22), 8-5 | Yankee Stadium (17-10) | 28-15 | Won 5 |
| » W: Al Holland (1-0) L: Doug Corbett (0-1) | Second | ½ out |
| Monday, May 26 |
| » Lost to Angels (22-22), 8-7 | Yankee Stadium (17-11) | 28-16 | |
| » W: Mike Witt (4-4) L: Dave Righetti (4-2) S: Terry Forster (1) | Second | 1½ out |
| Wednesday, May 28 |
| » Defeated Mariners (16-30), 6-5 | Kingdome (1-0) | 29-16 | |
| » W: Ed Whitson (4-1) L: Mike Morgan (3-6) S: Dave Righetti (11) | Second | 2 out |
| Thursday, May 29 |
| » Defeated Mariners (16-31), 2-0 | Kingdome (2-0) | 30-16 | Won 2 |
| » W: Dennis Rasmussen (5-1) L: Milt Wilcox (0-6) S: Dave Righetti (12) | Second | 1½ out |
| Friday, May 30 |
| » Lost to Athletics (22-26), 6-3 | Oakland-Alameda County Stadium (0-1) | 30-17 | |
| » W: Curt Young (3-1) L: Joe Niekro (5-3) S: Bill Mooneyham (1) | Second | 1½ out |
| » Major-league debuts: Doug Drabek (Yankees) |
| Saturday, May 31 |
| » Lost to Athletics (23-26), 4-3 | Oakland-Alameda County Stadium (0-2) | 30-18 | Lost 2 |
| » W: Steve Ontiveros (1-2) L: Ron Guidry (4-4) | Second | 2½ out |
| Sunday, June 1 |
| » Defeated Athletics (23-27), 7-1 | Oakland-Alameda County Stadium (1-2) | 31-18 | |
| » W: Tommy John (3-0) L: Dave Leiper (0-1) | Second | 2½ out |
| Monday, June 2 |
| » Lost to Angels (25-25), 8-7 | Anaheim Stadium (0-1) | 31-19 | |
| » W: Chuck Finley (1-0) L: Dave Righetti (4-3) | Second | 3½ out |
| Tuesday, June 3 |
| » Lost to Angels (26-25), 4-2 | Anaheim Stadium (0-2) | 31-20 | Lost 2 |
| » W: Don Sutton (3-5) L: Dennis Rasmussen (5-2) S: Terry Forster (2) | Second | 4½ out |
| Wednesday, June 4 |
| » Defeated Angels (26-26), 11-0 | Anaheim Stadium (1-2) | 32-20 | |
| » W: Joe Niekro (6-3) L: Ron Romanick (3-3) | Second | 4½ out |
| Friday, June 6 |
| » Lost to Orioles (31-20), 5-2 | Yankee Stadium (17-12) | 32-21 | |
| » W: Scott McGregor (5-4) L: Ron Guidry (4-5) S: Don Aase (15) | Third | 5 out |
| Saturday, June 7 |
| » Lost to Orioles (32-20), 7-5 | Yankee Stadium (17-13) | 32-22 | Lost 2 |
| » W: Mike Boddicker (7-1) L: Tommy John (3-1) S: Don Aase (16) | Third | 5 out |
| Sunday, June 8 |
| » Lost to Orioles (33-20), 18-9 | Yankee Stadium (17-14) | 32-23 | Lost 3 |
| » W: Ken Dixon (6-3) L: Ed Whitson (4-2) S: Tippy Martinez (1) | Third | 5 out |
| Monday, June 9 |
| » Defeated Tigers (25-28), 9-7 | Tiger Stadium (1-0) | 33-23 | |
| » W: Ed Whitson (5-2) L: Bill Scherrer (0-1) S: Bob Shirley (1) | Third | 4 out |
| Tuesday, June 10 |
| » Defeated Tigers (25-29), 6-3 | Tiger Stadium (2-0) | 34-23 | Won 2 |
| » W: Joe Niekro (7-3) L: Walt Terrell (6-4) S: Dave Righetti (13) | Third | 4 out |
| Wednesday, June 11 |
| » Lost to Tigers (26-29), 9-3 | Tiger Stadium (2-1) | 34-24 | |
| » W: Frank Tanana (6-4) L: Ron Guidry (4-6) S: Guillermo Hernandez (10) | Third | 5 out |
| Thursday, June 12 |
| » Defeated Orioles (34-23), 7-5 | Memorial Stadium (1-0) | 35-24 | |
| » W: Brian Fisher (2-2) L: Tippy Martinez (0-2) S: Dave Righetti (14) | Third | 4½ out |
| Friday, June 13 |
| » Defeated Orioles (34-24), 3-1 | Memorial Stadium (2-0) | 36-24 | Won 2 |
| » W: Bob Tewksbury (5-2) L: Storm Davis (5-6) S: Dave Righetti (15) | Second | 4½ out |
| Saturday, June 14 |
| » Defeated Orioles (34-25), 4-2 | Memorial Stadium (3-0) | 37-24 | Won 3 |
| » W: Dennis Rasmussen (6-2) L: Scott McGregor (5-6) S: Dave Righetti (16) | Second | 3½ out |
| Sunday, June 15 |
| » Lost to Orioles (35-25), 4-3 | Memorial Stadium (3-1) | 37-25 | |
| » W: Mike Boddicker (9-1) L: Brian Fisher (2-3) S: Don Aase (18) | Second | 3½ out |
| Monday, June 16 |
| » Lost to Red Sox (41-21), 10-1 | Yankee Stadium (17-15) | 37-26 | Lost 2 |
| » W: Roger Clemens (12-0) L: Ron Guidry (4-7) | Second | 4½ out |
| Tuesday, June 17 |
| » Lost to Red Sox (42-21), 7-6 | Yankee Stadium (17-16) | 37-27 | Lost 3 |
| » W: Bob Stanley (4-2) L: Joe Niekro (7-4) S: Joe Sambito (5) | Second | 5½ out |
| Wednesday, June 18 |
| » Lost to Red Sox (43-21), 5-2 | Yankee Stadium (17-17) | 37-28 | Lost 4 |
| » W: Oil Can Boyd (9-4) L: Bob Shirley (0-3) | Second | 6½ out |
| Thursday, June 19 |
| » Lost to Blue Jays (34-33), 10-9 | Exhibition Stadium (0-1) | 37-29 | Lost 5 |
| » W: Bill Caudill (1-0) L: Dave Righetti (4-4) | Second | 7 out |
| Friday, June 20 |
| » Defeated Blue Jays (34-34), 10-8 | Exhibition Stadium (1-1) | 38-29 | |
| » W: Brian Fisher (3-3) L: Don Gordon (0-1) | Second | 6 out |
| Saturday, June 21 |
| » Defeated Blue Jays (34-35), 4-2 | Exhibition Stadium (2-1) | 39-29 | Won 2 |
| » W: Dave Righetti (5-4) L: Dennis Lamp (2-4) S: Alfonso Pulido (1) | Second | 6 out |
| Sunday, June 22 |
| » Lost to Blue Jays (35-35), 15-1 | Exhibition Stadium (2-2) | 39-30 | |
| » W: Jimmy Key (5-5) L: Joe Niekro (7-5) | Second | 6 out |
| Monday, June 23 |
| » Defeated Red Sox (44-24), 11-3 | Fenway Park (1-0) | 40-30 | |
| » W: Brian Fisher (4-3) L: Oil Can Boyd (9-5) | Second | 5 out |
| Tuesday, June 24 |
| » Defeated Red Sox (44-25), 8-1 | Fenway Park (2-0) | 41-30 | Won 2 |
| » W: Dennis Rasmussen (7-2) L: Rob Woodward (1-3) | Second | 4 out |
| Wednesday, June 25 |
| » Lost to Red Sox (45-25), 5-4 | Fenway Park (2-1) | 41-31 | |
| » W: Al Nipper (4-4) L: Doug Drabek (0-1) S: Joe Sambito (6) | Second | 5 out |
| Friday, June 27 |
| » Lost to Blue Jays (38-36), 14-7 | Yankee Stadium (17-18) | 41-32 | Lost 2 |
| » W: Jim Acker (2-3) L: Brian Fisher (4-4) S: Tom Henke (9) | Second | 6 out |
| Saturday, June 28 |
| » Lost to Blue Jays (39-36), 7-4 | Yankee Stadium (17-19) | 41-33 | Lost 3 |
| » W: Jimmy Key (6-5) L: Joe Niekro (7-6) | Second | 7 out |
| Sunday, June 29 |
| » Lost to Blue Jays (40-36), 6-3 | Yankee Stadium (17-20) | 41-34 | Lost 4 |
| » W: John Cerutti (3-1) L: Brian Fisher (4-5) S: Tom Henke (10) | Second | 8 out |
| Monday, June 30 |
| » Defeated Tigers (37-37), 3-2 | Yankee Stadium (18-20) | 42-34 | |
| » W: Dennis Rasmussen (8-2) L: Walt Terrell (7-6) S: Dave Righetti (17) | Second | 8 out |
| Tuesday, July 1 |
| » Defeated Tigers (37-38), 5-4 | Yankee Stadium (19-20) | 43-34 | Won 2 |
| » W: Dave Righetti (6-4) L: Guillermo Hernandez (3-4) | Second | 8 out |
| Wednesday, July 2 |
| » Lost to Tigers (38-38), 8-3 | Yankee Stadium (19-21) | 43-35 | |
| » W: Dave LaPoint (3-6) L: Ron Guidry (4-8) S: Guillermo Hernandez (16) | Second | 8 out |
| Thursday, July 3 |
| » Defeated Tigers (38-39), 9-5 | Yankee Stadium (20-21) | 44-35 | |
| » W: Alfonso Pulido (1-0) L: Eric King (4-1) S: Dave Righetti (18) | Second | 7 out |
| Friday, July 4 |
| » Lost to White Sox (35-42), 2-1 | Comiskey Park I (3-1) | 44-36 | |
| » W: Richard Dotson (7-7) L: Bob Tewksbury (5-3) | Second | 8 out |
| Former Yankee Oscar Roettger dies in St.Louis, MO at the age of 87. |
| Saturday, July 5 |
| » Defeated White Sox (35-43), 8-0 | Comiskey Park I (4-1) | 45-36 | |
| » W: Dennis Rasmussen (9-2) L: Joe Cowley (4-4) | Second | 7 out |
| Sunday, July 6 |
| » Lost to White Sox (36-43), 5-2 | Comiskey Park I (4-2) | 45-37 | |
| » W: Floyd Bannister (5-4) L: Doug Drabek (0-2) S: Bob James (13) | Third | 8 out |
| Monday, July 7 |
| » Defeated Rangers (44-38), 14-3 | Arlington Stadium (2-2) | 46-37 | |
| » W: Scott Nielsen (1-0) L: Charlie Hough (8-4) | Second | 7 out |
| » Major-league debuts: Scott Nielsen (Yankees) |
| Tuesday, July 8 |
| » Lost to Rangers (45-38), 6-1 | Arlington Stadium (2-3) | 46-38 | |
| » W: Mike Mason (6-2) L: Alfonso Pulido (1-1) | Second | 8 out |
| Former Yankee Johnny Cooney dies in Sarasota, FL at the age of 86. |
| Wednesday, July 9 |
| » Defeated Rangers (45-39), 5-4 | Arlington Stadium (3-3) | 47-38 | |
| » W: Bob Tewksbury (6-3) L: Jose Guzman (8-9) S: Dave Righetti (19) | Second | 8 out |
| Thursday, July 10 |
| » Defeated Twins (36-49), 11-1 | Hubert H. Humphrey Metrodome (3-0) | 48-38 | Won 2 |
| » W: Dennis Rasmussen (10-2) L: Frank Viola (9-7) | Second | 8 out |
| Friday, July 11 |
| » Defeated Twins (36-50), 9-3 | Hubert H. Humphrey Metrodome (4-0) | 49-38 | Won 3 |
| » W: Doug Drabek (1-2) L: Neal Heaton (3-8) S: Brian Fisher (4) | Second | 7 out |
| Saturday, July 12 |
| » Defeated Twins (36-51), 8-0 | Hubert H. Humphrey Metrodome (5-0) | 50-38 | Won 4 |
| » W: Scott Nielsen (2-0) L: Mike Smithson (8-8) | Second | 7 out |
| Sunday, July 13 |
| » Lost to Twins (37-51), 5-0 | Hubert H. Humphrey Metrodome (5-1) | 50-39 | |
| » W: Bert Blyleven (8-8) L: Bob Tewksbury (6-4) | Second | 7 out |
| Thursday, July 17 |
| » Defeated White Sox (40-47), 5-4 | Yankee Stadium (21-21) | 51-39 | |
| » W: Dennis Rasmussen (11-2) L: Richard Dotson (7-9) S: Dave Righetti (20) | Second | 6 out |
| Friday, July 18 |
| » Defeated White Sox (40-48), 8-4 | Yankee Stadium (22-21) | 52-39 | Won 2 |
| » W: Joe Niekro (8-6) L: Floyd Bannister (5-6) S: Dave Righetti (21) | Second | 5 out |
| Saturday, July 19 |
| » Lost to White Sox (41-48), 8-3 | Yankee Stadium (22-22) | 52-40 | |
| » W: Joe Cowley (5-5) L: Scott Nielsen (2-1) S: Gene Nelson (2) | Second | 6 out |
| Sunday, July 20 |
| » Lost to White Sox (42-48), 8-0 | Yankee Stadium (22-23) | 52-41 | Lost 2 |
| » W: Neil Allen (7-1) L: Bob Shirley (0-4) | Second | 6 out |
| Monday, July 21 |
| » Defeated Rangers (47-46), 8-4 | Yankee Stadium (23-23) | 53-41 | |
| » W: Doug Drabek (2-2) L: Bobby Witt (4-9) S: Dave Righetti (22) | Second | 5 out |
| Tuesday, July 22 |
| » Defeated Rangers (47-47), 9-1 | Yankee Stadium (24-23) | 54-41 | Won 2 |
| » W: Dennis Rasmussen (12-2) L: Ed Correa (6-8) | Second | 4 out |
| Wednesday, July 23 |
| » Defeated Rangers (47-48), 3-2 | Yankee Stadium (25-23) | 55-41 | Won 3 |
| » W: Dave Righetti (7-4) L: Charlie Hough (9-5) | Second | 3 out |
| Friday, July 25 |
| » Lost to Twins (40-56), 9-5 | Yankee Stadium (25-24) | 55-42 | |
| » W: Neal Heaton (4-9) L: Scott Nielsen (2-2) S: Keith Atherton (9) | Second | 4 out |
| Saturday, July 26 |
| » Lost to Twins (41-56), 8-4 | Yankee Stadium (25-25) | 55-43 | Lost 2 |
| » W: Allan Anderson (3-3) L: Doug Drabek (2-3) | Second | 4 out |
| Sunday, July 27 |
| » Defeated Twins (41-57), 4-1 | Yankee Stadium (26-25) | 56-43 | |
| » W: Ron Guidry (5-8) L: Bert Blyleven (9-10) S: Dave Righetti (23) | Second | 3 out |
| Monday, July 28 |
| » Lost to Brewers (47-50), 5-4 | County Stadium (1-3) | 56-44 | |
| » W: Juan Nieves (10-4) L: Joe Niekro (8-7) S: Dan Plesac (9) | Second | 4 out |
| Tuesday, July 29 |
| » Lost to Brewers (48-50), 6-4 | County Stadium (1-4) | 56-45 | Lost 2 |
| » W: Danny Darwin (6-6) L: Scott Nielsen (2-3) S: Mark Clear (7) | Second | 4 out |
| Wednesday, July 30 |
| » Lost to Brewers (49-50), 5-0 | County Stadium (1-5) | 56-46 | Lost 3 |
| » W: Teddy Higuera (13-7) L: Doug Drabek (2-4) | Second | 4 out |
| Friday, August 1 |
| » Lost to Indians (54-47), 4-3 | Cleveland Stadium (1-2) | 56-47 | Lost 4 |
| » W: Phil Niekro (8-7) L: Ron Guidry (5-9) S: Ernie Camacho (14) | Third | 4½ out |
| » Defeated Indians (54-48), 5-3 | Cleveland Stadium (2-2) | 57-47 | |
| » W: Brian Fisher (5-5) L: Tom Candiotti (10-8) S: Dave Righetti (24) | Third | 4½ out |
| Saturday, August 2 |
| » Lost to Indians (55-48), 6-5 | Cleveland Stadium (2-3) | 57-48 | |
| » W: Dickie Noles (3-2) L: Dave Righetti (7-5) | Third | 4½ out |
| Sunday, August 3 |
| » Defeated Indians (55-49), 12-8 | Cleveland Stadium (3-3) | 58-48 | |
| » W: Rod Scurry (1-1) L: Phil Niekro (8-8) S: Brian Fisher (5) | Third | 4½ out |
| Monday, August 4 |
| » Lost to Brewers (51-53), 5-4 | Yankee Stadium (26-26) | 58-49 | |
| » W: Teddy Higuera (14-7) L: Doug Drabek (2-5) S: Mark Clear (9) | Third | 4½ out |
| Tuesday, August 5 |
| » Lost to Brewers (52-53), 2-1 | Yankee Stadium (26-27) | 58-50 | Lost 2 |
| » W: Dan Plesac (7-6) L: Dave Righetti (7-6) S: Mark Clear (10) | Third | 4½ out |
| Wednesday, August 6 |
| » Defeated Brewers (52-54), 5-3 | Yankee Stadium (27-27) | 59-50 | |
| » W: Ron Guidry (6-9) L: Juan Nieves (10-5) S: Brian Fisher (6) | Third | 4½ out |
| Thursday, August 7 |
| » Lost to Brewers (53-54), 10-2 | Yankee Stadium (27-28) | 59-51 | |
| » W: Tim Leary (8-11) L: Joe Niekro (8-8) S: John Henry Johnson (1) | Fourth | 5 out |
| Friday, August 8 |
| » Defeated Royals (48-61), 2-0 | Yankee Stadium (28-28) | 60-51 | |
| » W: Tommy John (4-1) L: Charlie Leibrandt (9-9) S: Dave Righetti (25) | Second | 5 out |
| Saturday, August 9 |
| » Defeated Royals (48-62), 3-2 | Yankee Stadium (29-28) | 61-51 | Won 2 |
| » W: Brian Fisher (6-5) L: Buddy Black (4-6) | Second | 5 out |
| Sunday, August 10 |
| » Lost to Royals (49-62), 13-3 | Yankee Stadium (29-29) | 61-52 | |
| » W: Scott Bankhead (6-5) L: Dennis Rasmussen (12-3) | Second | 6 out |
| Monday, August 11 |
| » Defeated Indians (58-54), 6-5 | Yankee Stadium (30-29) | 62-52 | |
| » W: Brian Fisher (7-5) L: Frank Wills (0-1) | Second | 5 out |
| Tuesday, August 12 |
| » Defeated Indians (58-55), 6-4 | Yankee Stadium (31-29) | 63-52 | Won 2 |
| » W: Tim Stoddard (2-3) L: Rich Yett (4-2) S: Dave Righetti (26) | Second | 3½ out |
| Wednesday, August 13 |
| » Defeated Indians (58-56), 4-0 | Yankee Stadium (32-29) | 64-52 | Won 3 |
| » W: Tommy John (5-1) L: Tom Candiotti (11-9) S: Dave Righetti (27) | Second | 3½ out |
| Friday, August 15 |
| » Defeated Royals (51-65), 7-4 | Royals Stadium (4-0) | 65-52 | Won 4 |
| » W: Doug Drabek (3-5) L: Scott Bankhead (6-6) S: Dave Righetti (28) | Second | 4 out |
| Saturday, August 16 |
| » Lost to Royals (52-65), 4-2 | Royals Stadium (4-1) | 65-53 | |
| » W: Danny Jackson (8-8) L: Dennis Rasmussen (12-4) S: Buddy Black (5) | Second | 4 out |
| Sunday, August 17 |
| » Lost to Royals (53-65), 5-0 | Royals Stadium (4-2) | 65-54 | Lost 2 |
| » W: Mark Gubicza (7-5) L: Ron Guidry (6-10) | Second | 5 out |
| Former Yankee Sammy Vick dies in Memphis, TN at the age of 92. |
| Tuesday, August 19 |
| » Lost to Mariners (53-68), 7-3 | Yankee Stadium (32-30) | 65-55 | Lost 3 |
| » W: Mark Langston (10-10) L: Tommy John (5-2) | Second | 5½ out |
| Wednesday, August 20 |
| » Defeated Mariners (53-69), 5-2 | Yankee Stadium (33-30) | 66-55 | |
| » W: Tim Stoddard (3-3) L: Mike Moore (7-11) S: Dave Righetti (29) | Second | 5½ out |
| Friday, August 22 |
| » Defeated Athletics (53-69), 3-2 | Yankee Stadium (34-30) | 67-55 | Won 2 |
| » W: Dennis Rasmussen (13-4) L: Joaquin Andujar (7-6) S: Dave Righetti (30) | Second | 6 out |
| » Major-league debuts: Mark McGwire (Athletics) |
| Saturday, August 23 |
| » Lost to Athletics (54-69), 2-1 | Yankee Stadium (34-31) | 67-56 | |
| » W: Curt Young (10-8) L: Dave Righetti (7-7) S: Jay Howell (12) | Second | 6 out |
| Sunday, August 24 |
| » Lost to Athletics (55-69), 11-4 | Yankee Stadium (34-32) | 67-57 | Lost 2 |
| » W: Dave Stewart (7-1) L: Rod Scurry (1-2) | Second | 6 out |
| Monday, August 25 |
| » Lost to Angels (69-56), 5-3 | Yankee Stadium (34-33) | 67-58 | Lost 3 |
| » W: John Candelaria (7-2) L: Joe Niekro (8-9) S: Donnie Moore (17) | Second | 6 out |
| Tuesday, August 26 |
| » Lost to Angels (70-56), 2-0 | Yankee Stadium (34-34) | 67-59 | Lost 4 |
| » W: Mike Witt (16-7) L: Doug Drabek (3-6) | Third | 7 out |
| Thursday, August 28 |
| » Defeated Mariners (56-72), 4-2 | Kingdome (3-0) | 68-59 | |
| » W: Dennis Rasmussen (14-4) L: Mike Morgan (9-14) S: Dave Righetti (31) | Third | 6 out |
| Friday, August 29 |
| » Defeated Mariners (56-73), 13-12 | Kingdome (4-0) | 69-59 | Won 2 |
| » W: Tim Stoddard (4-3) L: Karl Best (2-3) S: Dave Righetti (32) | Third | 5 out |
| Saturday, August 30 |
| » Lost to Mariners (57-73), 1-0 | Kingdome (4-1) | 69-60 | |
| » W: Bill Swift (2-5) L: Tommy John (5-3) S: Matt Young (13) | Third | 5½ out |
| » Defeated Mariners (57-74), 3-0 | Kingdome (5-1) | 70-60 | |
| » W: Joe Niekro (9-9) L: Mike Brown (4-6) S: Dave Righetti (33) | Third | 5½ out |
| Sunday, August 31 |
| » Lost to Mariners (58-74), 6-2 | Kingdome (5-2) | 70-61 | |
| » W: Mike Moore (9-11) L: Doug Drabek (3-7) | Third | 6½ out |
| Monday, September 1 |
| » Lost to Athletics (62-71), 9-8 | Oakland-Alameda County Stadium (1-3) | 70-62 | Lost 2 |
| » W: Bill Krueger (1-1) L: Mike Armstrong (0-1) S: Dave Von Ohlen (1) | Third | 7½ out |
| Tuesday, September 2 |
| » Defeated Athletics (62-72), 9-8 | Oakland-Alameda County Stadium (2-3) | 71-62 | |
| » W: Brian Fisher (8-5) L: Jay Howell (2-5) S: Dave Righetti (34) | Third | 7½ out |
| Wednesday, September 3 |
| » Lost to Athletics (63-72), 5-3 | Oakland-Alameda County Stadium (2-4) | 71-63 | |
| » W: Dave Stewart (9-1) L: Tim Stoddard (4-4) | Third | 8½ out |
| Friday, September 5 |
| » Defeated Angels (76-58), 7-4 | Anaheim Stadium (2-2) | 72-63 | |
| » W: Doug Drabek (4-7) L: Ray Chadwick (0-4) S: Dave Righetti (35) | Third | 8½ out |
| Saturday, September 6 |
| » Lost to Angels (77-58), 9-2 | Anaheim Stadium (2-3) | 72-64 | |
| » W: Mike Witt (17-8) L: Joe Niekro (9-10) | Third | 9½ out |
| » Major-league debuts: Brad Arnsberg (Yankees) |
| Sunday, September 7 |
| » Lost to Angels (78-58), 7-2 | Anaheim Stadium (2-4) | 72-65 | Lost 2 |
| » W: Don Sutton (14-9) L: Dennis Rasmussen (14-5) S: Gary Lucas (2) | Third | 10½ out |
| Monday, September 8 |
| » Major-league debuts: Rafael Palmeiro (Cubs) |
| Tuesday, September 9 |
| » Defeated Blue Jays (76-62), 3-1 | Exhibition Stadium (3-2) | 73-65 | |
| » W: Ron Guidry (7-10) L: Mark Eichhorn (12-5) S: Dave Righetti (36) | Third | 11 out |
| Thursday, September 11 |
| » Defeated Blue Jays (76-63), 3-1 | Exhibition Stadium (4-2) | 74-65 | Won 2 |
| » W: Doug Drabek (5-7) L: Jimmy Key (12-10) S: Dave Righetti (37) | Third | 10 out |
| » Defeated Blue Jays (76-64), 7-5 | Exhibition Stadium (5-2) | 75-65 | Won 3 |
| » W: Brian Fisher (9-5) L: Tom Henke (9-4) S: Dave Righetti (38) | Third | 10 out |
| Friday, September 12 |
| » Lost to Red Sox (86-55), 7-2 | Yankee Stadium (34-35) | 75-66 | |
| » W: Bruce Hurst (11-7) L: Scott Nielsen (2-4) | Third | 11 out |
| Saturday, September 13 |
| » Defeated Red Sox (86-56), 11-6 | Yankee Stadium (35-35) | 76-66 | |
| » W: Dennis Rasmussen (15-5) L: Tom Seaver (7-12) S: Bob Shirley (2) | Third | 10 out |
| Sunday, September 14 |
| » Defeated Red Sox (86-57), 11-5 | Yankee Stadium (36-35) | 77-66 | Won 2 |
| » W: Ron Guidry (8-10) L: Al Nipper (9-10) S: Dave Righetti (39) | Second | 9 out |
| Monday, September 15 |
| » Defeated Orioles (68-76), 5-3 | Yankee Stadium (37-35) | 78-66 | Won 3 |
| » W: Tim Stoddard (5-4) L: Mike Boddicker (14-11) S: Dave Righetti (40) | Second | 8½ out |
| Tuesday, September 16 |
| » Defeated Orioles (68-77), 8-1 | Yankee Stadium |