| Tuesday, April 6 |
| » Defeated Angels (0-1), 3-2 | Oakland-Alameda County Stadium (1-0) | 1-0 | |
| » W: Jeff Jones (1-0) L: Don Aase (0-1) | First | -- |
| Wednesday, April 7 |
| » Lost to Angels (1-1), 7-0 | Oakland-Alameda County Stadium (1-1) | 1-1 | |
| » W: Geoff Zahn (1-0) L: Mike Norris (0-1) | Second | 1 out |
| Thursday, April 8 |
| » Lost to Angels (2-1), 8-6 | Oakland-Alameda County Stadium (1-2) | 1-2 | Lost 2 |
| » W: Luis Sanchez (1-0) L: Jeff Jones (1-1) | Third | 1 out |
| Friday, April 9 |
| » Defeated Mariners (1-3), 5-3 | Oakland-Alameda County Stadium (2-2) | 2-2 | |
| » W: Steve McCatty (1-0) L: Gaylord Perry (0-1) S: Bob Owchinko (1) | Fourth | 1 out |
| Former Athletic Hank Hulvey dies in Mount Sidney, VA at the age of 85. |
| Sunday, April 11 |
| » Lost to Mariners (2-3), 6-3 | Oakland-Alameda County Stadium (2-3) | 2-3 | |
| » W: Bill Caudill (1-0) L: Bo McLaughlin (0-1) | Fifth | 2 out |
| » Defeated Mariners (2-4), 3-1 | Oakland-Alameda County Stadium (3-3) | 3-3 | |
| » W: Rick Langford (1-0) L: Mike Moore (0-1) | Fifth | 2 out |
| » Major-league debuts: Mike Moore (Mariners) |
| Tuesday, April 13 |
| » Defeated Twins (4-3), 8-3 | Hubert H. Humphrey Metrodome (1-0) | 4-3 | Won 2 |
| » W: Matt Keough (1-0) L: Roger Erickson (1-1) S: Tom Underwood (1) | Third | 2 out |
| Wednesday, April 14 |
| » Defeated Twins (4-4), 7-5 | Hubert H. Humphrey Metrodome (2-0) | 5-3 | Won 3 |
| » W: Jeff Jones (2-1) L: Fernando Arroyo (0-1) | Third | 2 out |
| Thursday, April 15 |
| » Lost to Twins (5-4), 11-5 | Hubert H. Humphrey Metrodome (2-1) | 5-4 | |
| » W: Albert Williams (2-0) L: Rick Langford (1-1) S: Ron Davis (1) | Fourth | 2 out |
| Friday, April 16 |
| » Lost to Mariners (3-7), 5-0 | Kingdome (0-1) | 5-5 | Lost 2 |
| » W: Floyd Bannister (2-0) L: Mike Norris (0-2) | Fifth | 2½ out |
| Saturday, April 17 |
| » Defeated Mariners (3-8), 10-3 | Kingdome (1-1) | 6-5 | |
| » W: Matt Keough (2-0) L: Mike Moore (0-2) | Fifth | 3 out |
| Sunday, April 18 |
| » Lost to Mariners (4-8), 4-3 | Kingdome (1-2) | 6-6 | |
| » W: Ed Vande Berg (1-1) L: Tom Underwood (0-1) | Fifth | 4 out |
| Monday, April 19 |
| » Lost to Twins (6-7), 5-2 | Oakland-Alameda County Stadium (3-4) | 6-7 | Lost 2 |
| » W: Ron Davis (1-0) L: Rick Langford (1-2) | Fifth | 4½ out |
| Tuesday, April 20 |
| » Defeated Twins (6-8), 4-3 | Oakland-Alameda County Stadium (4-4) | 7-7 | |
| » W: Dave Beard (1-0) L: Bobby Castillo (0-1) | Fifth | 3½ out |
| Wednesday, April 21 |
| » Defeated Twins (6-9), 5-2 | Oakland-Alameda County Stadium (5-4) | 8-7 | Won 2 |
| » W: Tom Underwood (1-1) L: Darrell Jackson (0-2) | Fourth | 2½ out |
| Friday, April 23 |
| » Lost to Angels (11-5), 7-2 | Anaheim Stadium (0-1) | 8-8 | |
| » W: Ken Forsch (2-1) L: Matt Keough (2-1) | Fifth | 3½ out |
| Saturday, April 24 |
| » Lost to Angels (12-5), 4-2 | Anaheim Stadium (0-2) | 8-9 | Lost 2 |
| » W: Geoff Zahn (3-0) L: Steve McCatty (1-1) S: Don Aase (2) | Fourth | 3½ out |
| Sunday, April 25 |
| » Lost to Angels (13-5), 5-1 | Anaheim Stadium (0-3) | 8-10 | Lost 3 |
| » W: Mike Witt (2-0) L: Rick Langford (1-3) | Fifth | 5 out |
| Wednesday, April 28 |
| » Defeated Orioles (4-11), 6-2 | Memorial Stadium (1-0) | 9-10 | |
| » W: Mike Norris (1-2) L: Mike Flanagan (0-3) | Fourth | 5 out |
| » Lost to Orioles (5-11), 5-1 | Memorial Stadium (1-1) | 9-11 | |
| » W: Scott McGregor (1-2) L: Matt Keough (2-2) | Fourth | 5 out |
| Thursday, April 29 |
| » Defeated Orioles (5-12), 9-6 | Memorial Stadium (2-1) | 10-11 | |
| » W: Dave Beard (2-0) L: Tippy Martinez (0-2) | Fourth | 5 out |
| » Major-league debuts: Storm Davis (Orioles) |
| Friday, April 30 |
| » Defeated Indians (8-10), 8-0 | Cleveland Stadium (1-0) | 11-11 | Won 2 |
| » W: Rick Langford (2-3) L: John Denny (2-2) | Third | 4 out |
| Saturday, May 1 |
| » Defeated Indians (8-11), 8-2 | Cleveland Stadium (2-0) | 12-11 | Won 3 |
| » W: Jeff Jones (3-1) L: Bert Blyleven (2-2) S: Tom Underwood (2) | Fourth | 4 out |
| Sunday, May 2 |
| » Defeated Indians (8-12), 5-2 | Cleveland Stadium (3-0) | 13-11 | Won 4 |
| » W: Mike Norris (2-2) L: Rick Waits (0-4) | Third | 3 out |
| Monday, May 3 |
| » Defeated Yankees (9-12), 5-2 | Yankee Stadium (1-0) | 14-11 | Won 5 |
| » W: Matt Keough (3-2) L: Tommy John (1-4) | Fourth | 3 out |
| Tuesday, May 4 |
| » Defeated Yankees (9-13), 9-7 | Yankee Stadium (2-0) | 15-11 | Won 6 |
| » W: Bob Owchinko (1-0) L: Dave LaRoche (0-1) S: Dave Beard (1) | Third | 2 out |
| Thursday, May 6 |
| » Defeated Indians (9-14), 4-2 | Oakland-Alameda County Stadium (6-4) | 16-11 | Won 7 |
| » W: Steve McCatty (2-1) L: John Denny (2-3) S: Dave Beard (2) | Third | 1 out |
| Friday, May 7 |
| » Lost to Indians (10-14), 15-6 | Oakland-Alameda County Stadium (6-5) | 16-12 | |
| » W: Rick Sutcliffe (1-0) L: Rick Langford (2-4) S: Ed Whitson (1) | Third | 2 out |
| Saturday, May 8 |
| » Lost to Indians (11-14), 8-5 | Oakland-Alameda County Stadium (6-6) | 16-13 | Lost 2 |
| » W: Len Barker (4-1) L: Mike Norris (2-3) S: Dan Spillner (3) | Third | 2 out |
| Sunday, May 9 |
| » Lost to Indians (12-14), 14-2 | Oakland-Alameda County Stadium (6-7) | 16-14 | Lost 3 |
| » W: Lary Sorensen (3-1) L: Matt Keough (3-3) | Third | 3 out |
| Monday, May 10 |
| » Defeated Orioles (10-17), 7-6 | Oakland-Alameda County Stadium (7-7) | 17-14 | |
| » W: Dave Beard (3-0) L: Ross Grimsley (1-1) | Third | 3 out |
| Tuesday, May 11 |
| » Lost to Orioles (11-17), 7-1 | Oakland-Alameda County Stadium (7-8) | 17-15 | |
| » W: Scott McGregor (4-2) L: Rick Langford (2-5) | Fourth | 3 out |
| Wednesday, May 12 |
| » Defeated Orioles (11-18), 5-4 | Oakland-Alameda County Stadium (8-8) | 18-15 | |
| » W: Dave Beard (4-0) L: Tim Stoddard (0-1) | Fourth | 3 out |
| Thursday, May 13 |
| » Lost to Yankees (14-16), 6-4 | Oakland-Alameda County Stadium (8-9) | 18-16 | |
| » W: Ron Guidry (5-1) L: Tom Underwood (1-2) S: Shane Rawley (2) | Fourth | 4 out |
| Friday, May 14 |
| » Lost to Yankees (15-16), 7-4 | Oakland-Alameda County Stadium (8-10) | 18-17 | Lost 2 |
| » W: Mike Morgan (3-1) L: Matt Keough (3-4) S: Rich Gossage (8) | Fourth | 4 out |
| Saturday, May 15 |
| » Defeated Yankees (15-17), 7-3 | Oakland-Alameda County Stadium (9-10) | 19-17 | |
| » W: Rick Langford (3-5) L: Rudy May (0-2) | Fourth | 4 out |
| Sunday, May 16 |
| » Defeated Yankees (15-18), 7-6 | Oakland-Alameda County Stadium (10-10) | 20-17 | Won 2 |
| » W: Steve McCatty (3-1) L: Dave Righetti (2-3) S: Dave Beard (3) | Fourth | 4 out |
| Tuesday, May 18 |
| » Lost to Tigers (22-12), 11-9 | Tiger Stadium (0-1) | 20-18 | |
| » W: Pat Underwood (2-1) L: Dave Beard (4-1) | Fourth | 5 out |
| Wednesday, May 19 |
| » Lost to Tigers (23-12), 6-3 | Tiger Stadium (0-2) | 20-19 | Lost 2 |
| » W: Dan Petry (4-2) L: Matt Keough (3-5) S: Kevin Saucier (4) | Fourth | 6 out |
| Thursday, May 20 |
| » Lost to Tigers (24-12), 11-3 | Tiger Stadium (0-3) | 20-20 | Lost 3 |
| » W: Milt Wilcox (3-2) L: Tom Underwood (1-3) | Fourth | 6 out |
| Friday, May 21 |
| » Lost to Red Sox (26-13), 8-7 | Fenway Park (0-1) | 20-21 | Lost 4 |
| » W: Tom Burgmeier (2-0) L: Rick Langford (3-6) S: Mark Clear (8) | Fourth | 7 out |
| Saturday, May 22 |
| » Lost to Red Sox (27-13), 7-4 | Fenway Park (0-2) | 20-22 | Lost 5 |
| » W: Bob Stanley (4-1) L: Bo McLaughlin (0-2) | Fourth | 8 out |
| Sunday, May 23 |
| » Lost to Red Sox (28-13), 6-0 | Fenway Park (0-3) | 20-23 | Lost 6 |
| » W: Dennis Eckersley (5-3) L: Mike Norris (2-4) | Fourth | 8 out |
| Tuesday, May 25 |
| » Defeated Brewers (20-20), 10-5 | County Stadium (1-0) | 21-23 | |
| » W: Matt Keough (4-5) L: Moose Haas (2-2) | Fourth | 8 out |
| Wednesday, May 26 |
| » Defeated Brewers (20-21), 7-2 | County Stadium (2-0) | 22-23 | Won 2 |
| » W: Tom Underwood (2-3) L: Bob McClure (2-2) | Fourth | 7½ out |
| Friday, May 28 |
| » Lost to Tigers (26-16), 6-4 | Oakland-Alameda County Stadium (10-11) | 22-24 | |
| » W: Dave Tobik (2-0) L: Rick Langford (3-7) | Fourth | 8 out |
| Saturday, May 29 |
| » Lost to Tigers (27-16), 7-4 | Oakland-Alameda County Stadium (10-12) | 22-25 | Lost 2 |
| » W: Milt Wilcox (4-2) L: Mike Norris (2-5) S: Elias Sosa (4) | Fifth | 9 out |
| Sunday, May 30 |
| » Lost to Tigers (28-16), 5-2 | Oakland-Alameda County Stadium (10-13) | 22-26 | Lost 3 |
| » W: Jack Morris (7-4) L: Matt Keough (4-6) | Fifth | 8½ out |
| » Defeated Tigers (28-17), 10-3 | Oakland-Alameda County Stadium (11-13) | 23-26 | |
| » W: Steve McCatty (4-1) L: Pat Underwood (2-3) | Fifth | 8½ out |
| Monday, May 31 |
| » Lost to Red Sox (30-17), 5-2 | Oakland-Alameda County Stadium (11-14) | 23-27 | |
| » W: Bob Ojeda (2-4) L: Bo McLaughlin (0-3) S: Bob Stanley (2) | Fifth | 8½ out |
| Tuesday, June 1 |
| » Defeated Red Sox (30-18), 3-2 | Oakland-Alameda County Stadium (12-14) | 24-27 | |
| » W: Rick Langford (4-7) L: Chuck Rainey (3-2) S: Tom Underwood (3) | Fifth | 7½ out |
| Wednesday, June 2 |
| » Defeated Red Sox (30-19), 5-0 | Oakland-Alameda County Stadium (13-14) | 25-27 | Won 2 |
| » W: Mike Norris (3-5) L: Dennis Eckersley (6-4) | Fourth | 6½ out |
| Friday, June 4 |
| » Lost to Brewers (25-24), 10-1 | Oakland-Alameda County Stadium (13-15) | 25-28 | |
| » W: Moose Haas (3-2) L: Matt Keough (4-7) S: Jim Slaton (2) | Fourth | 6½ out |
| Saturday, June 5 |
| » Lost to Brewers (26-24), 11-3 | Oakland-Alameda County Stadium (13-16) | 25-29 | Lost 2 |
| » W: Bob McClure (3-2) L: Dave Beard (4-2) | Fifth | 6½ out |
| Sunday, June 6 |
| » Lost to Brewers (27-24), 7-2 | Oakland-Alameda County Stadium (13-17) | 25-30 | Lost 3 |
| » W: Pete Vuckovich (7-2) L: Tom Underwood (2-4) | Fifth | 6½ out |
| Monday, June 7 |
| » Lost to White Sox (30-22), 6-5 | Comiskey Park I (0-1) | 25-31 | Lost 4 |
| » W: Kevin Hickey (2-1) L: Dave Beard (4-3) | Fifth | 7½ out |
| Tuesday, June 8 |
| » Lost to White Sox (31-22), 5-4 | Comiskey Park I (0-2) | 25-32 | Lost 5 |
| » W: Salome Barojas (2-1) L: Bo McLaughlin (0-4) | Fifth | 8½ out |
| Wednesday, June 9 |
| » Defeated White Sox (31-23), 5-4 | Comiskey Park I (1-2) | 26-32 | |
| » W: Matt Keough (5-7) L: La Marr Hoyt (9-3) | Fifth | 8½ out |
| Friday, June 11 |
| » Lost to Blue Jays (27-30), 2-1 | Exhibition Stadium (0-1) | 26-33 | |
| » W: Jim Clancy (6-3) L: Brian Kingman (0-1) | Fifth | 9 out |
| Saturday, June 12 |
| » Defeated Blue Jays (27-31), 8-1 | Exhibition Stadium (1-1) | 27-33 | |
| » W: Rick Langford (5-7) L: Dave Stieb (5-6) | Fifth | 8 out |
| Sunday, June 13 |
| » Defeated Blue Jays (27-32), 7-5 | Exhibition Stadium (2-1) | 28-33 | Won 2 |
| » W: Tom Underwood (3-4) L: Roy Lee Jackson (2-5) S: Dave Beard (4) | Fifth | 7½ out |
| Monday, June 14 |
| » Defeated Blue Jays (27-33), 4-2 | Exhibition Stadium (3-1) | 29-33 | Won 3 |
| » W: Matt Keough (6-7) L: Jim Gott (1-4) S: Dave Beard (5) | Fifth | 7 out |
| Tuesday, June 15 |
| » Lost to White Sox (33-26), 7-0 | Oakland-Alameda County Stadium (13-18) | 29-34 | |
| » W: La Marr Hoyt (10-3) L: Brian Kingman (0-2) | Fifth | 8 out |
| Wednesday, June 16 |
| » Lost to White Sox (34-26), 7-6 | Oakland-Alameda County Stadium (13-19) | 29-35 | Lost 2 |
| » W: Salome Barojas (4-1) L: Dave Beard (4-4) | Fifth | 8 out |
| Thursday, June 17 |
| » Lost to White Sox (35-26), 11-7 | Oakland-Alameda County Stadium (13-20) | 29-36 | Lost 3 |
| » W: Steve Trout (5-5) L: Mike Norris (3-6) S: Kevin Hickey (2) | Fifth | 9 out |
| Friday, June 18 |
| » Lost to Blue Jays (29-35), 6-4 | Oakland-Alameda County Stadium (13-21) | 29-37 | Lost 4 |
| » W: Joey McLaughlin (4-3) L: Matt Keough (6-8) | Fifth | 10 out |
| Saturday, June 19 |
| » Lost to Blue Jays (30-35), 3-1 | Oakland-Alameda County Stadium (13-22) | 29-38 | Lost 5 |
| » W: Joey McLaughlin (5-3) L: Bob Owchinko (1-1) | Fifth | 10 out |
| Sunday, June 20 |
| » Lost to Blue Jays (31-35), 3-2 | Oakland-Alameda County Stadium (13-23) | 29-39 | Lost 6 |
| » W: Dave Stieb (6-7) L: Rick Langford (5-8) | Fifth | 11 out |
| Monday, June 21 |
| » Defeated Royals (37-27), 4-3 | Oakland-Alameda County Stadium (14-23) | 30-39 | |
| » W: Dave Beard (5-4) L: Vida Blue (4-5) | Fifth | 11 out |
| Tuesday, June 22 |
| » Lost to Royals (38-27), 2-1 | Oakland-Alameda County Stadium (14-24) | 30-40 | |
| » W: Bud Black (2-1) L: Matt Keough (6-9) S: Dan Quisenberry (20) | Fifth | 11 out |
| Wednesday, June 23 |
| » Lost to Royals (39-27), 1-0 | Oakland-Alameda County Stadium (14-25) | 30-41 | Lost 2 |
| » W: Larry Gura (8-3) L: Brian Kingman (0-3) | Fifth | 12 out |
| Thursday, June 24 |
| » Lost to Rangers (25-38), 2-1 | Arlington Stadium (0-1) | 30-42 | Lost 3 |
| » W: Jon Matlack (3-5) L: Rick Langford (5-9) S: Danny Darwin (3) | Fifth | 13 out |
| Friday, June 25 |
| » Defeated Rangers (25-39), 6-2 | Arlington Stadium (1-1) | 31-42 | |
| » W: Steve McCatty (5-1) L: Frank Tanana (3-9) S: Dave Beard (6) | Fifth | 12 out |
| Saturday, June 26 |
| » Lost to Rangers (26-39), 5-2 | Arlington Stadium (1-2) | 31-43 | |
| » W: Charlie Hough (6-5) L: Matt Keough (6-10) S: Steve Comer (5) | Fifth | 13 out |
| Sunday, June 27 |
| » Lost to Rangers (27-39), 10-4 | Arlington Stadium (1-3) | 31-44 | Lost 2 |
| » W: Rick Honeycutt (4-7) L: Brian Kingman (0-4) | Fifth | 14 out |
| Monday, June 28 |
| » Defeated Royals (40-31), 8-4 | Royals Stadium (1-0) | 32-44 | |
| » W: Rick Langford (6-9) L: Larry Gura (8-4) | Fourth | 13½ out |
| » Major-league debuts: Steve Hammond (Royals) |
| Tuesday, June 29 |
| » Lost to Royals (41-31), 7-2 | Royals Stadium (1-1) | 32-45 | |
| » W: Don Hood (1-0) L: Dave Beard (5-5) S: Mike Armstrong (1) | Fifth | 14½ out |
| Wednesday, June 30 |
| » Defeated Royals (41-32), 4-0 | Royals Stadium (2-1) | 33-45 | |
| » W: Matt Keough (7-10) L: Paul Splittorff (7-5) | Fifth | 13½ out |
| Friday, July 2 |
| » Lost to Rangers (30-40), 7-0 | Oakland-Alameda County Stadium (14-26) | 33-46 | |
| » W: Charlie Hough (7-5) L: Brian Kingman (0-5) | Sixth | 13 out |
| Saturday, July 3 |
| » Defeated Rangers (30-41), 5-3 | Oakland-Alameda County Stadium (15-26) | 34-46 | |
| » W: Rick Langford (7-9) L: Rick Honeycutt (4-8) | Fifth | 12 out |
| Sunday, July 4 |
| » Lost to Rangers (31-41), 11-4 | Oakland-Alameda County Stadium (15-27) | 34-47 | |
| » W: Doc Medich (6-7) L: Matt Keough (7-11) S: Dave Schmidt (2) | Sixth | 12½ out |
| Monday, July 5 |
| » Defeated Indians (37-39), 2-0 | Oakland-Alameda County Stadium (16-27) | 35-47 | |
| » W: Tom Underwood (4-4) L: Rick Sutcliffe (6-4) S: Dave Beard (7) | Sixth | 12 out |
| Tuesday, July 6 |
| » Defeated Indians (37-40), 7-3 | Oakland-Alameda County Stadium (17-27) | 36-47 | Won 2 |
| » W: Brian Kingman (1-5) L: Len Barker (9-5) | Fifth | 12 out |
| Wednesday, July 7 |
| » Lost to Yankees (39-38), 5-3 | Oakland-Alameda County Stadium (17-28) | 36-48 | |
| » W: Roger Erickson (6-7) L: Rick Langford (7-10) S: Rich Gossage (16) | Fifth | 13 out |
| Thursday, July 8 |
| » Defeated Yankees (39-39), 6-3 | Oakland-Alameda County Stadium (18-28) | 37-48 | |
| » W: Mike Norris (4-6) L: Doyle Alexander (0-3) | Fifth | 12 out |
| Friday, July 9 |
| » Lost to Orioles (43-37), 7-5 | Oakland-Alameda County Stadium (18-29) | 37-49 | |
| » W: Scott McGregor (10-6) L: Matt Keough (7-12) S: Tim Stoddard (8) | Sixth | 12 out |
| Saturday, July 10 |
| » Defeated Orioles (43-38), 3-1 | Oakland-Alameda County Stadium (19-29) | 38-49 | |
| » W: Tom Underwood (5-4) L: Dennis Martinez (9-6) S: Dave Beard (8) | Sixth | 11 out |
| Sunday, July 11 |
| » Lost to Orioles (44-38), 8-7 | Oakland-Alameda County Stadium (19-30) | 38-50 | |
| » W: Storm Davis (2-1) L: Brian Kingman (1-6) S: Tim Stoddard (9) | Sixth | 12 out |
| Thursday, July 15 |
| » Lost to Yankees (40-42), 2-1 | Yankee Stadium (2-1) | 38-51 | Lost 2 |
| » W: Rich Gossage (4-4) L: Dave Beard (5-6) | Sixth | 13 out |
| Friday, July 16 |
| » Lost to Yankees (41-42), 6-2 | Yankee Stadium (2-2) | 38-52 | Lost 3 |
| » W: Roger Erickson (7-7) L: Rick Langford (7-11) | Sixth | 14 out |
| Saturday, July 17 |
| » Lost to Yankees (42-42), 4-1 | Yankee Stadium (2-3) | 38-53 | Lost 4 |
| » W: Shane Rawley (5-4) L: Matt Keough (7-13) | Fifth | 14 out |
| Sunday, July 18 |
| » Lost to Yankees (43-42), 7-3 | Yankee Stadium (2-4) | 38-54 | Lost 5 |
| » W: Ron Guidry (9-4) L: Brian Kingman (1-7) | Fifth | 14 out |
| Monday, July 19 |
| » Lost to Indians (44-43), 5-4 | Cleveland Stadium (3-1) | 38-55 | Lost 6 |
| » W: Dan Spillner (6-5) L: Dave Beard (5-7) | Fifth | 15 out |
| Tuesday, July 20 |
| » Defeated Indians (44-44), 6-4 | Cleveland Stadium (4-1) | 39-55 | |
| » W: Mike Norris (5-6) L: Rick Waits (1-8) | Fifth | 15 out |
| Wednesday, July 21 |
| » Defeated Indians (44-45), 6-4 | Cleveland Stadium (5-1) | 40-55 | Won 2 |
| » W: Tom Underwood (6-4) L: John Denny (6-11) S: Brian Kingman (1) | Fifth | 14 out |
| Friday, July 23 |
| » Lost to Orioles (49-41), 2-1 | Memorial Stadium (2-2) | 40-56 | |
| » W: Jim Palmer (8-3) L: Matt Keough (7-14) S: Tippy Martinez (10) | Fifth | 14 out |
| Saturday, July 24 |
| » Lost to Orioles (50-41), 5-4 | Memorial Stadium (2-3) | 40-57 | Lost 2 |
| » W: Tippy Martinez (4-4) L: Bob Owchinko (1-2) | Fifth | 14 out |
| Sunday, July 25 |
| » Lost to Orioles (51-41), 6-2 | Memorial Stadium (2-4) | 40-58 | Lost 3 |
| » W: Dennis Martinez (10-8) L: Brian Kingman (1-8) | Fifth | 15 out |
| Monday, July 26 |
| » Defeated Angels (54-43), 11-8 | Anaheim Stadium (1-3) | 41-58 | |
| » W: Dave Beard (6-7) L: Luis Sanchez (3-1) | Fifth | 14 out |
| Tuesday, July 27 |
| » Lost to Angels (55-43), 8-7 | Anaheim Stadium (1-4) | 41-59 | |
| » W: Dave Goltz (5-3) L: Bob Owchinko (1-3) | Fifth | 15 out |
| Wednesday, July 28 |
| » Lost to Angels (56-43), 13-1 | Anaheim Stadium (1-5) | 41-60 | Lost 2 |
| » W: Mike Witt (5-3) L: Matt Keough (7-15) | Fifth | 16 out |
| Thursday, July 29 |
| » Defeated Twins (34-67), 5-0 | Oakland-Alameda County Stadium (20-30) | 42-60 | |
| » W: Rick Langford (8-11) L: Brad Havens (7-7) | Fifth | 16 out |
| Friday, July 30 |
| » Defeated Twins (34-68), 4-3 | Oakland-Alameda County Stadium (21-30) | 43-60 | Won 2 |
| » W: Brian Kingman (2-8) L: Ron Davis (2-8) | Fifth | 16 out |
| Saturday, July 31 |
| » Defeated Twins (34-69), 3-2 | Oakland-Alameda County Stadium (22-30) | 44-60 | Won 3 |
| » W: Tom Underwood (7-4) L: Terry Felton (0-9) | Fifth | 15 out |
| Sunday, August 1 |
| » Lost to Twins (35-69), 8-7 | Oakland-Alameda County Stadium (22-31) | 44-61 | |
| » W: John Pacella (1-3) L: Dave Beard (6-8) S: Ron Davis (12) | Fifth | 16 out |
| Monday, August 2 |
| » Defeated Mariners (52-52), 6-5 | Oakland-Alameda County Stadium (23-31) | 45-61 | |
| » W: Matt Keough (8-15) L: Mike Stanton (1-3) | Fifth | 15 out |
| Tuesday, August 3 |
| » Lost to Mariners (53-52), 3-2 | Oakland-Alameda County Stadium (23-32) | 45-62 | |
| » W: Mike Moore (6-8) L: Rick Langford (8-12) S: Bill Caudill (19) | Fifth | 16 out |
| Wednesday, August 4 |
| » Lost to Mariners (54-52), 5-2 | Oakland-Alameda County Stadium (23-33) | 45-63 | Lost 2 |
| » W: Jim Beattie (7-8) L: Brian Kingman (2-9) | Fifth | 15½ out |
| » Defeated Mariners (54-53), 8-3 | Oakland-Alameda County Stadium (24-33) | 46-63 | |
| » W: Steve McCatty (6-1) L: Rich Bordi (0-2) S: Dave Beard (9) | Fifth | 15½ out |
| Friday, August 6 |
| » Defeated Twins (38-71), 4-1 | Hubert H. Humphrey Metrodome (3-1) | 47-63 | Won 2 |
| » W: Mike Norris (6-6) L: Frank Viola (3-3) S: Tom Underwood (4) | Fifth | 15½ out |
| Saturday, August 7 |
| » Defeated Twins (38-72), 7-1 | Hubert H. Humphrey Metrodome (4-1) | 48-63 | Won 3 |
| » W: Matt Keough (9-15) L: Bobby Castillo (5-9) | Fifth | 15 out |
| Sunday, August 8 |
| » Defeated Twins (38-73), 5-2 | Hubert H. Humphrey Metrodome (5-1) | 49-63 | Won 4 |
| » W: Tom Underwood (8-4) L: Brad Havens (8-8) | Fifth | 15 out |
| Monday, August 9 |
| » Defeated Mariners (54-57), 9-4 | Kingdome (2-2) | 50-63 | Won 5 |
| » W: Brian Kingman (3-9) L: Jim Beattie (7-9) | Fifth | 14½ out |
| Tuesday, August 10 |
| » Lost to Mariners (55-57), 4-2 | Kingdome (2-3) | 50-64 | |
| » W: Ed Vande Berg (6-4) L: Steve McCatty (6-2) | Fourth | 14½ out |
| Wednesday, August 11 |
| » Lost to Mariners (56-57), 7-4 | Kingdome (2-4) | 50-65 | Lost 2 |
| » W: Floyd Bannister (11-7) L: Rick Langford (8-13) S: Bill Caudill (20) | Fourth | 15½ out |
| Friday, August 13 |
| » Lost to Angels (66-48), 9-0 | Oakland-Alameda County Stadium (24-34) | 50-66 | Lost 3 |
| » W: Mike Witt (7-3) L: Mike Norris (6-7) | Fifth | 17 out |
| Saturday, August 14 |
| » Defeated Angels (66-49), 10-1 | Oakland-Alameda County Stadium (25-34) | 51-66 | |
| » W: Matt Keough (10-15) L: Steve Renko (10-4) S: Tom Underwood (5) | Fifth | 16 out |
| Sunday, August 15 |
| » Defeated Angels (66-50), 3-2 | Oakland-Alameda County Stadium (26-34) | 52-66 | Won 2 |
| » W: Tom Underwood (9-4) L: Dave Goltz (6-5) | Fifth | 15½ out |
| Monday, August 16 |
| » Lost to Angels (67-50), 8-4 | Oakland-Alameda County Stadium (26-35) | 52-67 | |
| » W: Geoff Zahn (13-5) L: Steve McCatty (6-3) S: Dave Goltz (2) | Fifth | 16 out |
| Tuesday, August 17 |
| » Defeated Brewers (68-49), 10-6 | Oakland-Alameda County Stadium (27-35) | 53-67 | |
| » W: Rick Langford (9-13) L: Moose Haas (9-8) | Fifth | 16 out |
| Wednesday, August 18 |
| » Defeated Brewers (68-50), 3-2 | Oakland-Alameda County Stadium (28-35) | 54-67 | Won 2 |
| » W: Dave Beard (7-8) L: Bob McClure (9-5) | Fifth | 15 out |
| Thursday, August 19 |
| » Lost to Brewers (69-50), 10-6 | Oakland-Alameda County Stadium (28-36) | 54-68 | |
| » W: Pete Vuckovich (14-4) L: Matt Keough (10-16) S: Jim Slaton (5) | Fifth | 16 out |
| Friday, August 20 |
| » Defeated Red Sox (65-55), 4-3 | Oakland-Alameda County Stadium (29-36) | 55-68 | |
| » W: Dave Beard (8-8) L: Mark Clear (9-7) | Fourth | 15 out |
| Saturday, August 21 |
| » Defeated Red Sox (65-56), 12-5 | Oakland-Alameda County Stadium (30-36) | 56-68 | Won 2 |
| » W: Bob Owchinko (2-3) L: Bob Stanley (8-6) | Fourth | 15 out |
| Sunday, August 22 |
| » Lost to Red Sox (66-56), 4-2 | Oakland-Alameda County Stadium (30-37) | 56-69 | |
| » W: Brian Denman (1-0) L: Rick Langford (9-14) S: Tom Burgmeier (2) | Fifth | 16 out |
| » Major-league debuts: Brian Denman (Red Sox) |
| Monday, August 23 |
| » Lost to Tigers (63-60), 5-1 | Oakland-Alameda County Stadium (30-38) | 56-70 | Lost 2 |
| » W: Dan Petry (14-7) L: Mike Norris (6-8) | Fifth | 17 out |
| Tuesday, August 24 |
| » Defeated Tigers (63-61), 3-0 | Oakland-Alameda County Stadium (31-38) | 57-70 | |
| » W: Matt Keough (11-16) L: Jerry Ujdur (7-7) | Fifth | 16 out |
| Thursday, August 26 |
| » Lost to Brewers (74-51), 10-3 | County Stadium (2-1) | 57-71 | |
| » W: Mike Caldwell (12-11) L: Brian Kingman (3-10) | Fourth | 16½ out |
| Friday, August 27 |
| » Lost to Brewers (75-51), 5-4 | County Stadium (2-2) | 57-72 | Lost 2 |
| » W: Doc Medich (9-11) L: Preston Hanna (3-1) S: Rollie Fingers (29) | Fourth | 17½ out |
| Saturday, August 28 |
| » Defeated Brewers (75-52), 7-6 | County Stadium (3-2) | 58-72 | |
| » W: Rick Langford (10-14) L: Pete Ladd (1-1) S: Bob Owchinko (2) | Fifth | 17½ out |
| Sunday, August 29 |
| » Lost to Brewers (76-52), 8-1 | County Stadium (3-3) | 58-73 | |
| » W: Bob McClure (10-6) L: Mike Norris (6-9) | Fifth | 18½ out |
| Monday, August 30 |
| » Lost to Red Sox (72-58), 9-7 | Fenway Park (0-4) | 58-74 | Lost 2 |
| » W: Mark Clear (12-7) L: Tom Underwood (9-5) | Fifth | 19½ out |
| Tuesday, August 31 |
| » Lost to Red Sox (73-58), 4-0 | Fenway Park (0-5) | 58-75 | Lost 3 |
| » W: Chuck Rainey (7-4) L: Preston Hanna (3-2) | Fifth | 19½ out |
| Wednesday, September 1 |
| » Lost to Red Sox (74-58), 7-4 | Fenway Park (0-6) | 58-76 | Lost 4 |
| » W: Brian Denman (2-1) L: Bob Owchinko (2-4) S: Mark Clear (13) | Fifth | 19½ out |
| Friday, September 3 |
| » Lost to Tigers (68-64), 6-3 | Tiger Stadium (0-4) | 58-77 | Lost 5 |
| » W: Jerry Ujdur (9-7) L: Rick Langford (10-15) | Fifth | 20½ out |
| Saturday, September 4 |
| » Defeated Tigers (68-65), 4-3 | Tiger Stadium (1-4) | 59-77 | |
| » W: Mike Norris (7-9) L: Elias Sosa (3-3) | Fifth | 19½ out |
| Sunday, September 5 |
| » Lost to Tigers (69-65), 8-1 | Tiger Stadium (1-5) | 59-78 | |
| » W: Jack Morris (15-14) L: Matt Keough (11-17) | Fifth | 19½ out |
| Monday, September 6 |
| » Lost to Blue Jays (63-75), 3-1 | Oakland-Alameda County Stadium (31-39) | 59-79 | Lost 2 |
| » W: Dave Stieb (14-13) L: Brian Kingman (3-11) | Fifth | 19½ out |
| Tuesday, September 7 |
| » Lost to Blue Jays (64-75), 2-1 | Oakland-Alameda County Stadium (31-40) | 59-80 | Lost 3 |
| » W: Jim Clancy (12-13) L: John D'Acquisto (0-1) S: Dale Murray (7) | Fifth | 19½ out |
| Wednesday, September 8 |
| » Lost to Blue Jays (65-75), 6-5 | Oakland-Alameda County Stadium (31-41) | 59-81 | Lost 4 |
| » W: Roy Lee Jackson (5-8) L: Tim Conroy (0-1) S: Dale Murray (8) | Fifth | 20½ out |
| Friday, September 10 |
| » Lost to White Sox (75-64), 9-3 | Oakland-Alameda County Stadium (31-42) | 59-82 | Lost 5 |
| » W: Dennis Lamp (9-7) L: Mike Norris (7-10) | Fifth | 20½ out |
| Saturday, September 11 |
| » Lost to White Sox (76-64), 2-0 | Oakland-Alameda County Stadium (31-43) | 59-83 | Lost 6 |
| » W: Jerry Koosman (8-6) L: Chris Codiroli (0-1) S: Salome Barojas (18) | Fifth | 21½ out |
| Sunday, September 12 |
| » Defeated White Sox (76-65), 4-2 | Oakland-Alameda County Stadium (32-43) | 60-83 | |
| » W: Rick Langford (11-15) L: La Marr Hoyt (15-14) S: Bob Owchinko (3) | Fifth | 21½ out |
| Monday, September 13 |
| » Major-league debuts: Orlando Mercado (Mariners) |
| Wednesday, September 15 |
| » Lost to Blue Jays (66-78), 3-2 | Exhibition Stadium (3-2) | 60-84 | |
| » W: Luis Leal (11-13) L: Tim Conroy (0-2) S: Dale Murray (9) | Fifth | 24 out |
| » Lost to Blue Jays (67-78), 12-11 | Exhibition Stadium (3-3) | 60-85 | Lost 2 |
| » W: Roy Lee Jackson (6-8) L: Preston Hanna (3-3) | Fifth | 24 out |
| Thursday, September 16 |
| » Lost to White Sox (78-67), 6-3 | Comiskey Park I (1-3) | 60-86 | Lost 3 |
| » W: La Marr Hoyt (16-14) L: Steve Baker (0-1) S: Kevin Hickey (6) | Fifth | 24 out |
| Saturday, September 18 |
| » Defeated White Sox (78-68), 2-1 | Comiskey Park I (2-3) | 61-86 | |
| » W: Chris Codiroli (1-1) L: Richard Dotson (11-12) S: Tom Underwood (6) | Fifth | 22 out |
| » Defeated White Sox (78-69), 5-4 | Comiskey Park I (3-3) | 62-86 | Won 2 |
| » W: Dave Beard (9-8) L: Salome Barojas (6-6) | Fifth | 22 out |
| » Major-league debuts: Greg Walker (White Sox) |
| Sunday, September 19 |
| » Lost to White Sox (79-69), 8-3 | Comiskey Park I (3-4) | 62-87 | |
| » W: Jerry Koosman (10-6) L: Preston Hanna (3-4) | Fourth | 22 out |
| Monday, September 20 |
| » Lost to Rangers (60-90), 10-3 | Oakland-Alameda County Stadium (32-44) | 62-88 | Lost 2 |
| » W: Frank Tanana (7-18) L: Matt Keough (11-18) | Fifth | 23 out |
| Tuesday, September 21 |
| » Defeated Rangers (60-91), 6-1 | Oakland-Alameda County Stadium (33-44) | 63-88 | |
| » W: Tim Conroy (1-2) L: Charlie Hough (15-12) | Fifth | 23 out |
| Wednesday, September 22 |
| » Defeated Rangers (60-92), 5-3 | Oakland-Alameda County Stadium (34-44) | 64-88 | Won 2 |
| » W: Steve Baker (1-1) L: Mike Smithson (2-4) S: Dave Beard (10) | Fifth | 23 out |
| Friday, September 24 |
| » Lost to |