| Wednesday, April 6 |
| » Major-league debuts: Jose Baez (Mariners) |
| Thursday, April 7 |
| » Major-league debuts: Al Woods (Blue Jays) |
| Friday, April 8 |
| » Major-league debuts: Julio Gonzalez (Astros) |
| Saturday, April 9 |
| » Defeated Twins (0-1), 7-4 | Oakland-Alameda County Stadium (1-0) | 1-0 | |
| » W: Mike Torrez (1-0) L: Ron Schueler (0-1) | Second | ½ out |
| Sunday, April 10 |
| » Defeated Twins (0-2), 9-6 | Oakland-Alameda County Stadium (2-0) | 2-0 | Won 2 |
| » W: Doc Medich (1-0) L: Pete Redfern (0-1) S: Pablo Torrealba (1) | Second | 1 out |
| » Lost to Twins (1-2), 7-1 | Oakland-Alameda County Stadium (2-1) | 2-1 | |
| » W: Paul Thormodsgard (1-0) L: Jim Umbarger (0-1) S: Tom Burgmeier (1) | Second | 1 out |
| » Major-league debuts: Paul Thormodsgard and Rob Wilfong (Twins) |
| Monday, April 11 |
| » Defeated Angels (3-3), 3-2 | Oakland-Alameda County Stadium (3-1) | 3-1 | |
| » W: Pablo Torrealba (1-0) L: Nolan Ryan (1-1) | Second | 1 out |
| Tuesday, April 12 |
| » Defeated Angels (3-4), 6-2 | Oakland-Alameda County Stadium (4-1) | 4-1 | Won 2 |
| » W: Stan Bahnsen (1-0) L: Gary Ross (0-1) S: Dave Giusti (1) | Second | ½ out |
| Wednesday, April 13 |
| » Defeated Angels (3-5), 9-3 | Oakland-Alameda County Stadium (5-1) | 5-1 | Won 3 |
| » W: Rick Langford (1-0) L: Wayne Simpson (0-2) S: Pablo Torrealba (2) | First | -- |
| Thursday, April 14 |
| » Defeated Angels (3-6), 8-7 | Oakland-Alameda County Stadium (6-1) | 6-1 | Won 4 |
| » W: Doug Bair (1-0) L: John Verhoeven (0-2) | First | -- |
| Friday, April 15 |
| » Defeated Twins (3-5), 3-2 | Metropolitan Stadium (1-0) | 7-1 | Won 5 |
| » W: Mike Torrez (2-0) L: Paul Thormodsgard (1-1) S: Dave Giusti (2) | First | -- |
| Saturday, April 16 |
| » Lost to Twins (4-5), 3-1 | Metropolitan Stadium (1-1) | 7-2 | |
| » W: Geoff Zahn (2-0) L: Vida Blue (0-1) | Second | 2 out |
| Sunday, April 17 |
| » Lost to Twins (5-5), 10-2 | Metropolitan Stadium (1-2) | 7-3 | Lost 2 |
| » W: Mike Pazik (1-0) L: Jim Umbarger (0-2) | Second | 1 out |
| Tuesday, April 19 |
| » Lost to Brewers (7-2), 5-4 | Oakland-Alameda County Stadium (6-2) | 7-4 | Lost 3 |
| » W: Bill Castro (2-0) L: Dave Giusti (0-1) | Second | 1 out |
| Wednesday, April 20 |
| » Defeated Brewers (7-3), 4-2 | Oakland-Alameda County Stadium (7-2) | 8-4 | |
| » W: Mike Torrez (3-0) L: Jerry Augustine (2-1) | Second | 1 out |
| Friday, April 22 |
| » Lost to White Sox (8-3), 8-2 | Oakland-Alameda County Stadium (7-3) | 8-5 | |
| » W: Francisco Barrios (2-0) L: Vida Blue (0-2) | Second | 1 out |
| Saturday, April 23 |
| » Defeated White Sox (8-4), 3-2 | Oakland-Alameda County Stadium (8-3) | 9-5 | |
| » W: Jim Umbarger (1-2) L: Steve Stone (1-2) S: Dave Giusti (3) | Second | 1 out |
| Sunday, April 24 |
| » Lost to White Sox (9-4), 12-5 | Oakland-Alameda County Stadium (8-4) | 9-6 | |
| » W: Chris Knapp (3-0) L: Mike Torrez (3-1) S: Bruce Dal Canton (2) | Second | 1 out |
| » Defeated White Sox (9-5), 11-4 | Oakland-Alameda County Stadium (9-4) | 10-6 | |
| » W: Mike Norris (1-0) L: Bart Johnson (1-2) | Second | 1 out |
| Monday, April 25 |
| » Lost to Angels (8-10), 11-6 | Anaheim Stadium (0-1) | 10-7 | |
| » W: Nolan Ryan (3-2) L: Doc Medich (1-1) S: Sid Monge (1) | Third | 1½ out |
| Tuesday, April 26 |
| » Defeated Angels (8-11), 7-3 | Anaheim Stadium (1-1) | 11-7 | |
| » W: Vida Blue (1-2) L: Dick Drago (0-1) | Third | 1½ out |
| Wednesday, April 27 |
| » Defeated Angels (8-12), 7-5 | Anaheim Stadium (2-1) | 12-7 | Won 2 |
| » W: Rick Langford (2-0) L: Paul Hartzell (1-2) S: Stan Bahnsen (1) | First | -- |
| Friday, April 29 |
| » Lost to Red Sox (8-9), 7-4 | Fenway Park (0-1) | 12-8 | |
| » W: Fergie Jenkins (3-1) L: Dock Ellis (1-2) S: Bill Campbell (2) | Second | 1 out |
| Saturday, April 30 |
| » Lost to Red Sox (9-9), 8-4 | Fenway Park (0-2) | 12-9 | Lost 2 |
| » W: Luis Tiant (2-1) L: Mike Norris (1-1) | Third | ½ out |
| Sunday, May 1 |
| » Lost to Red Sox (10-9), 6-4 | Fenway Park (0-3) | 12-10 | Lost 3 |
| » W: Bill Campbell (1-3) L: Stan Bahnsen (1-1) | Fourth | 1½ out |
| Monday, May 2 |
| » Defeated Orioles (10-9), 2-0 | Memorial Stadium (1-0) | 13-10 | |
| » W: Rick Langford (3-0) L: Rudy May (2-3) S: Dave Giusti (4) | Third | 1 out |
| Wednesday, May 4 |
| » Lost to Orioles (11-9), 9-2 | Memorial Stadium (1-1) | 13-11 | |
| » W: Jim Palmer (4-1) L: Dock Ellis (1-3) | Fifth | 1½ out |
| Thursday, May 5 |
| » Defeated Yankees (13-10), 5-2 | Yankee Stadium (1-0) | 14-11 | |
| » W: Vida Blue (2-2) L: Catfish Hunter (1-1) | Fourth | 1 out |
| Friday, May 6 |
| » Lost to Yankees (14-10), 4-1 | Yankee Stadium (1-1) | 14-12 | |
| » W: Ed Figueroa (3-2) L: Doc Medich (1-2) | Fifth | 2 out |
| Saturday, May 7 |
| » Lost to Yankees (15-10), 11-2 | Yankee Stadium (1-2) | 14-13 | Lost 2 |
| » W: Don Gullett (2-2) L: Rick Langford (3-1) | Fifth | 3 out |
| » Major-league debuts: George Zeber (Yankees) |
| Sunday, May 8 |
| » Lost to Yankees (16-10), 10-5 | Yankee Stadium (1-3) | 14-14 | Lost 3 |
| » W: Mike Torrez (5-1) L: Dock Ellis (1-4) | Fifth | 4 out |
| Monday, May 9 |
| » Defeated Red Sox (14-12), 2-1 | Oakland-Alameda County Stadium (10-4) | 15-14 | |
| » W: Vida Blue (3-2) L: Reggie Cleveland (2-3) | Fifth | 3½ out |
| Wednesday, May 11 |
| » Defeated Red Sox (14-13), 3-1 | Oakland-Alameda County Stadium (11-4) | 16-14 | Won 2 |
| » W: Doc Medich (2-2) L: Fergie Jenkins (4-2) | Fourth | 3 out |
| Friday, May 13 |
| » Lost to Orioles (15-11), 5-1 | Oakland-Alameda County Stadium (11-5) | 16-15 | |
| » W: Rudy May (4-3) L: Vida Blue (3-3) | Fourth | 4 out |
| Saturday, May 14 |
| » Lost to Orioles (16-11), 2-0 | Oakland-Alameda County Stadium (11-6) | 16-16 | Lost 2 |
| » W: Mike Flanagan (1-1) L: Rick Langford (3-2) | Fifth | 5 out |
| Sunday, May 15 |
| » Lost to Orioles (17-11), 3-2 | Oakland-Alameda County Stadium (11-7) | 16-17 | Lost 3 |
| » W: Ross Grimsley (4-2) L: Stan Bahnsen (1-2) S: Dennis Martinez (1) | Fifth | 6 out |
| Monday, May 16 |
| » Defeated Yankees (18-14), 8-4 | Oakland-Alameda County Stadium (12-7) | 17-17 | |
| » W: Bob Lacey (1-0) L: Ken Holtzman (2-3) | Fifth | 6 out |
| Tuesday, May 17 |
| » Lost to Yankees (19-14), 5-2 | Oakland-Alameda County Stadium (12-8) | 17-18 | |
| » W: Sparky Lyle (2-1) L: Dave Giusti (0-2) | Fifth | 7 out |
| » Major-league debuts: Dell Alston (Yankees) |
| Thursday, May 19 |
| » Lost to Mariners (14-27), 3-0 | Oakland-Alameda County Stadium (12-9) | 17-19 | Lost 2 |
| » W: Dave Pagan (1-1) L: Rick Langford (3-3) | Fifth | 7 out |
| Friday, May 20 |
| » Defeated Mariners (14-28), 14-5 | Oakland-Alameda County Stadium (13-9) | 18-19 | |
| » W: Doc Medich (3-2) L: Rick Jones (0-3) | Fifth | 6 out |
| Saturday, May 21 |
| » Lost to Mariners (15-28), 7-6 | Oakland-Alameda County Stadium (13-10) | 18-20 | |
| » W: Mike Kekich (2-0) L: Bob Lacey (1-1) | Sixth | 6 out |
| Sunday, May 22 |
| » Lost to Mariners (16-28), 6-2 | Oakland-Alameda County Stadium (13-11) | 18-21 | Lost 2 |
| » W: Dick Pole (1-1) L: Vida Blue (3-4) S: Enrique Romo (2) | Sixth | 7 out |
| Monday, May 23 |
| » Defeated Blue Jays (17-24), 3-0 | Exhibition Stadium (1-0) | 19-21 | |
| » W: Rick Langford (4-3) L: Pete Vuckovich (2-4) | Fourth | 6½ out |
| Wednesday, May 25 |
| » Defeated Blue Jays (17-25), 6-5 | Exhibition Stadium (2-0) | 20-21 | Won 2 |
| » W: Dave Giusti (1-2) L: Jerry Garvin (6-2) | Fifth | 7 out |
| Friday, May 27 |
| » Lost to Indians (17-21), 3-1 | Cleveland Stadium (0-1) | 20-22 | |
| » W: Wayne Garland (2-5) L: Vida Blue (3-5) | Fifth | 7 out |
| Saturday, May 28 |
| » Defeated Indians (17-22), 5-1 | Cleveland Stadium (1-1) | 21-22 | |
| » W: Doc Medich (4-2) L: Jim Bibby (3-2) S: Bob Lacey (1) | Fifth | 6 out |
| Sunday, May 29 |
| » Lost to Indians (18-22), 5-4 | Cleveland Stadium (1-2) | 21-23 | |
| » W: Sid Monge (1-1) L: Bob Lacey (1-2) | Fifth | 7 out |
| Monday, May 30 |
| » Defeated Tigers (17-26), 6-3 | Tiger Stadium (1-0) | 22-23 | |
| » W: Dock Ellis (2-4) L: Dave Roberts (3-7) S: Joe Coleman (1) | Fifth | 6 out |
| Tuesday, May 31 |
| » Lost to Tigers (18-26), 5-2 | Tiger Stadium (1-1) | 22-24 | |
| » W: John Hiller (2-5) L: Vida Blue (3-6) S: Steve Foucault (3) | Fifth | 7 out |
| Wednesday, June 1 |
| » Defeated Mariners (21-31), 6-3 | Kingdome (1-0) | 23-24 | |
| » W: Doc Medich (5-2) L: Glenn Abbott (2-5) S: Joe Coleman (2) | Fifth | 7 out |
| Thursday, June 2 |
| » Defeated Mariners (21-32), 1-0 | Kingdome (2-0) | 24-24 | Won 2 |
| » W: Mike Norris (2-1) L: Dick Pole (2-2) | Fifth | 6 out |
| Friday, June 3 |
| » Defeated Blue Jays (18-30), 3-2 | Oakland-Alameda County Stadium (14-11) | 25-24 | Won 3 |
| » W: Bob Lacey (2-2) L: Jesse Jefferson (3-4) | Fifth | 6 out |
| Saturday, June 4 |
| » Lost to Blue Jays (19-30), 4-2 | Oakland-Alameda County Stadium (14-12) | 25-25 | |
| » W: Dave Lemanczyk (3-5) L: Dock Ellis (2-5) S: Pete Vuckovich (4) | Fifth | 6 out |
| Sunday, June 5 |
| » Lost to Blue Jays (20-30), 7-3 | Oakland-Alameda County Stadium (14-13) | 25-26 | Lost 2 |
| » W: Jerry Garvin (7-3) L: Vida Blue (3-7) S: Jerry Johnson (2) | Sixth | 6 out |
| Monday, June 6 |
| » Lost to Indians (23-25), 3-1 | Oakland-Alameda County Stadium (14-14) | 25-27 | Lost 3 |
| » W: Pat Dobson (1-5) L: Bob Lacey (2-3) S: Jim Kern (6) | Fifth | 6 out |
| Future Athletic Mark Ellis is born in Rapid City, SD. |
| Wednesday, June 8 |
| » Defeated Indians (23-26), 3-2 | Oakland-Alameda County Stadium (15-14) | 26-27 | |
| » W: Pablo Torrealba (2-0) L: Dennis Eckersley (6-4) S: Bob Lacey (2) | Fifth | 6½ out |
| Friday, June 10 |
| » Lost to Tigers (23-30), 6-4 | Oakland-Alameda County Stadium (15-15) | 26-28 | |
| » Manager: Bobby Winkles |
| » W: Fernando Arroyo (4-3) L: Rick Langford (4-4) S: Steve Foucault (6) | Fifth | 6 out |
| Saturday, June 11 |
| » Lost to Tigers (24-30), 5-1 | Oakland-Alameda County Stadium (15-16) | 26-29 | Lost 2 |
| » W: Mark Fidrych (2-2) L: Dock Ellis (2-6) | Sixth | 6 out |
| Sunday, June 12 |
| » Defeated Tigers (24-31), 7-1 | Oakland-Alameda County Stadium (16-16) | 27-29 | |
| » W: Vida Blue (4-7) L: Dave Rozema (6-3) | Fifth | 6 out |
| Monday, June 13 |
| Future Athletic Jose Ortiz is born in Santo Domingo, D.R. |
| Tuesday, June 14 |
| » Defeated Mariners (25-38), 6-3 | Kingdome (3-0) | 28-29 | Won 2 |
| » W: Pablo Torrealba (3-0) L: Tom House (1-1) S: Bob Lacey (3) | Fifth | 5 out |
| Wednesday, June 15 |
| » Lost to Mariners (26-38), 6-5 | Kingdome (3-1) | 28-30 | |
| » W: Mike Kekich (4-1) L: Pablo Torrealba (3-1) | Fifth | 6 out |
| Thursday, June 16 |
| » Lost to Mariners (27-38), 3-1 | Kingdome (3-2) | 28-31 | Lost 2 |
| » W: Glenn Abbott (3-6) L: Rick Langford (4-5) | Fifth | 7 out |
| Saturday, June 18 |
| » Lost to White Sox (33-27), 2-0 | Comiskey Park I (0-1) | 28-32 | Lost 3 |
| » W: Ken Kravec (2-2) L: Vida Blue (4-8) S: Lerrin LaGrow (10) | Sixth | 6½ out |
| Sunday, June 19 |
| » Lost to White Sox (34-27), 2-1 | Comiskey Park I (0-2) | 28-33 | Lost 4 |
| » W: Wilbur Wood (1-1) L: Mike Norris (2-2) S: Lerrin LaGrow (11) | Sixth | 7 out |
| » Lost to White Sox (35-27), 5-1 | Comiskey Park I (0-3) | 28-34 | Lost 5 |
| » W: Francisco Barrios (6-3) L: Doc Medich (5-3) | Sixth | 7 out |
| Monday, June 20 |
| » Defeated White Sox (35-28), 7-1 | Comiskey Park I (1-3) | 29-34 | |
| » W: Rick Langford (5-5) L: Chris Knapp (5-4) S: Bob Lacey (4) | Fifth | 6 out |
| Tuesday, June 21 |
| » Lost to Brewers (32-35), 12-1 | County Stadium (0-1) | 29-35 | |
| » W: Jim Slaton (6-6) L: Paul Mitchell (0-1) | Fifth | 7 out |
| Wednesday, June 22 |
| » Lost to Brewers (33-35), 5-1 | County Stadium (0-2) | 29-36 | Lost 2 |
| » W: Jerry Augustine (8-8) L: Vida Blue (4-9) | Sixth | 8 out |
| Friday, June 24 |
| » Lost to Royals (34-33), 3-0 | Oakland-Alameda County Stadium (16-17) | 29-37 | Lost 3 |
| » W: Dennis Leonard (5-8) L: Doc Medich (5-4) | Sixth | 8½ out |
| Saturday, June 25 |
| » Lost to Royals (35-33), 6-4 | Oakland-Alameda County Stadium (16-18) | 29-38 | Lost 4 |
| » W: Jim Colborn (9-7) L: Mike Norris (2-3) S: Mark Littell (9) | Sixth | 8½ out |
| Sunday, June 26 |
| » Defeated Royals (35-34), 7-3 | Oakland-Alameda County Stadium (17-18) | 30-38 | |
| » W: Vida Blue (5-9) L: Paul Splittorff (6-5) S: Dave Giusti (5) | Sixth | 9 out |
| » Lost to Royals (36-34), 9-3 | Oakland-Alameda County Stadium (17-19) | 30-39 | |
| » W: Marty Pattin (1-2) L: Rick Langford (5-6) S: Larry Gura (6) | Sixth | 9 out |
| Monday, June 27 |
| » Lost to Rangers (34-35), 5-2 | Oakland-Alameda County Stadium (17-20) | 30-40 | Lost 2 |
| » W: Mike Marshall (3-2) L: Paul Mitchell (0-2) S: Paul Lindblad (4) | Sixth | 10 out |
| Tuesday, June 28 |
| » Defeated Rangers (34-36), 6-5 | Oakland-Alameda County Stadium (18-20) | 31-40 | |
| » W: Dave Giusti (2-2) L: Adrian Devine (5-5) | Sixth | 10 out |
| Wednesday, June 29 |
| » Lost to Rangers (35-36), 4-0 | Oakland-Alameda County Stadium (18-21) | 31-41 | |
| » W: Gaylord Perry (7-6) L: Mike Norris (2-4) | Sixth | 9½ out |
| » Defeated Rangers (35-37), 4-1 | Oakland-Alameda County Stadium (19-21) | 32-41 | |
| » W: Rick Langford (6-6) L: Dock Ellis (3-7) | Sixth | 9½ out |
| Friday, July 1 |
| » Defeated Angels (36-36), 2-0 | Anaheim Stadium (3-1) | 33-41 | Won 2 |
| » W: Vida Blue (6-9) L: Ken Brett (6-6) | Sixth | 8½ out |
| Saturday, July 2 |
| » Defeated Angels (36-37), 9-4 | Anaheim Stadium (4-1) | 34-41 | Won 3 |
| » W: Bob Lacey (3-3) L: Dyar Miller (5-3) | Sixth | 8½ out |
| Sunday, July 3 |
| » Lost to Angels (37-37), 6-4 | Anaheim Stadium (4-2) | 34-42 | |
| » W: Frank Tanana (12-5) L: Mike Norris (2-5) | Sixth | 10 out |
| Monday, July 4 |
| » Lost to Angels (38-37), 4-2 | Anaheim Stadium (4-3) | 34-43 | Lost 2 |
| » W: Nolan Ryan (11-7) L: Rick Langford (6-7) | Sixth | 11 out |
| Tuesday, July 5 |
| » Lost to Angels (39-37), 6-0 | Anaheim Stadium (4-4) | 34-44 | Lost 3 |
| » W: Wayne Simpson (4-5) L: Vida Blue (6-10) S: Dyar Miller (2) | Sixth | 12 out |
| Wednesday, July 6 |
| » Lost to Rangers (38-41), 4-3 | Arlington Stadium (0-1) | 34-45 | Lost 4 |
| » W: Doyle Alexander (8-5) L: Bob Lacey (3-4) S: Adrian Devine (5) | Sixth | 13 out |
| Thursday, July 7 |
| » Lost to Rangers (39-41), 8-3 | Arlington Stadium (0-2) | 34-46 | Lost 5 |
| » W: Roger Moret (1-0) L: Mike Norris (2-6) | Sixth | 13½ out |
| Friday, July 8 |
| » Lost to Royals (44-36), 6-2 | Royals Stadium (0-1) | 34-47 | Lost 6 |
| » W: Dennis Leonard (7-9) L: Vida Blue (6-11) | Sixth | 14½ out |
| Saturday, July 9 |
| » Defeated Royals (44-37), 7-1 | Royals Stadium (1-1) | 35-47 | |
| » W: Rick Langford (7-7) L: Jim Colborn (10-9) | Sixth | 14½ out |
| Sunday, July 10 |
| » Lost to Royals (45-37), 5-4 | Royals Stadium (1-2) | 35-48 | |
| » W: Doug Bird (4-1) L: Dave Giusti (2-3) | Sixth | 14½ out |
| Monday, July 11 |
| » Defeated Mariners (37-52), 8-1 | Oakland-Alameda County Stadium (20-21) | 36-48 | |
| » W: Joe Coleman (1-0) L: Tom House (2-3) S: Bob Lacey (5) | Sixth | 14½ out |
| Tuesday, July 12 |
| » Defeated Mariners (37-53), 3-2 | Oakland-Alameda County Stadium (21-21) | 37-48 | Won 2 |
| » W: Vida Blue (7-11) L: Enrique Romo (5-6) | Sixth | 13½ out |
| Wednesday, July 13 |
| » Lost to Mariners (38-53), 3-1 | Oakland-Alameda County Stadium (21-22) | 37-49 | |
| » W: Glenn Abbott (5-7) L: Rick Langford (7-8) | Sixth | 14 out |
| Friday, July 15 |
| » Defeated Twins (48-41), 8-7 | Oakland-Alameda County Stadium (22-22) | 38-49 | |
| » W: Dave Giusti (3-3) L: Dave Johnson (1-4) | Sixth | 14½ out |
| Saturday, July 16 |
| » Defeated Twins (48-42), 8-2 | Oakland-Alameda County Stadium (23-22) | 39-49 | Won 2 |
| » W: Vida Blue (8-11) L: Pete Redfern (2-5) | Sixth | 13½ out |
| Sunday, July 17 |
| » Lost to Twins (49-42), 4-1 | Oakland-Alameda County Stadium (23-23) | 39-50 | |
| » W: Paul Thormodsgard (7-6) L: Rick Langford (7-9) | Sixth | 15 out |
| » Lost to Twins (50-42), 9-5 | Oakland-Alameda County Stadium (23-24) | 39-51 | Lost 2 |
| » W: Geoff Zahn (8-7) L: Joe Coleman (1-1) S: Tom Johnson (9) | Sixth | 15 out |
| Thursday, July 21 |
| » Lost to Mariners (42-54), 4-3 | Kingdome (3-3) | 39-52 | Lost 3 |
| » W: Glenn Abbott (6-7) L: Rick Langford (7-10) S: Enrique Romo (9) | Seventh | 15½ out |
| Friday, July 22 |
| » Defeated Mariners (42-55), 5-3 | Kingdome (4-3) | 40-52 | |
| » W: Vida Blue (9-11) L: Dick Pole (6-6) S: Bob Lacey (6) | Sixth | 15½ out |
| Saturday, July 23 |
| » Lost to Mariners (43-55), 10-3 | Kingdome (4-4) | 40-53 | |
| » W: Gary Wheelock (5-6) L: Mike Norris (2-7) | Seventh | 16½ out |
| Sunday, July 24 |
| » Lost to Twins (53-43), 5-3 | Metropolitan Stadium (1-3) | 40-54 | Lost 2 |
| » W: Geoff Zahn (9-7) L: Bob Lacey (3-5) S: Tom Johnson (10) | Seventh | 18 out |
| » Lost to Twins (54-43), 10-9 | Metropolitan Stadium (1-4) | 40-55 | Lost 3 |
| » W: Tom Johnson (11-3) L: Doug Bair (1-1) | Seventh | 18 out |
| Monday, July 25 |
| » Lost to Twins (55-43), 2-1 | Metropolitan Stadium (1-5) | 40-56 | Lost 4 |
| » W: Dave Goltz (12-6) L: Rick Langford (7-11) | Seventh | 19 out |
| Tuesday, July 26 |
| » Defeated Angels (46-49), 2-1 | Oakland-Alameda County Stadium (24-24) | 41-56 | |
| » W: Vida Blue (10-11) L: Frank Tanana (12-7) | Seventh | 19 out |
| Wednesday, July 27 |
| » Lost to Angels (47-49), 9-3 | Oakland-Alameda County Stadium (24-25) | 41-57 | |
| » W: Ken Brett (8-8) L: Paul Mitchell (0-3) | Seventh | 19 out |
| Thursday, July 28 |
| » Defeated Angels (47-50), 6-4 | Oakland-Alameda County Stadium (25-25) | 42-57 | |
| » W: Joe Coleman (2-1) L: Wayne Simpson (5-8) S: Dave Giusti (6) | Seventh | 18½ out |
| Friday, July 29 |
| » Lost to Yankees (56-45), 4-0 | Oakland-Alameda County Stadium (25-26) | 42-58 | |
| » W: Ron Guidry (8-5) L: Pablo Torrealba (3-2) S: Sparky Lyle (16) | Seventh | 19½ out |
| Saturday, July 30 |
| » Lost to Yankees (57-45), 9-3 | Oakland-Alameda County Stadium (25-27) | 42-59 | Lost 2 |
| » W: Don Gullett (10-3) L: Rick Langford (7-12) S: Dick Tidrow (5) | Seventh | 20½ out |
| Sunday, July 31 |
| » Lost to Yankees (58-45), 9-2 | Oakland-Alameda County Stadium (25-28) | 42-60 | Lost 3 |
| » W: Ed Figueroa (10-7) L: Vida Blue (10-12) | Seventh | 21 out |
| Monday, August 1 |
| » Lost to Orioles (60-44), 5-1 | Oakland-Alameda County Stadium (25-29) | 42-61 | Lost 4 |
| » W: Rudy May (12-9) L: Joe Coleman (2-2) | Seventh | 21 out |
| Wednesday, August 3 |
| » Lost to Orioles (61-44), 8-6 | Oakland-Alameda County Stadium (25-30) | 42-62 | Lost 5 |
| » W: Tippy Martinez (4-0) L: Bob Lacey (3-6) | Sixth | 20½ out |
| Future Athletic Justin Lehr is born in Orange, CA. |
| Thursday, August 4 |
| » Lost to Red Sox (61-43), 3-1 | Oakland-Alameda County Stadium (25-31) | 42-63 | Lost 6 |
| » W: Fergie Jenkins (8-7) L: Vida Blue (10-13) | Seventh | 21½ out |
| Friday, August 5 |
| » Lost to Red Sox (62-43), 1-0 | Oakland-Alameda County Stadium (25-32) | 42-64 | Lost 7 |
| » W: Luis Tiant (8-7) L: Joe Coleman (2-3) | Seventh | 21½ out |
| Future Athletic Mark Mulder is born in South Holland, IL. |
| Saturday, August 6 |
| » Lost to Red Sox (63-43), 2-1 | Oakland-Alameda County Stadium (25-33) | 42-65 | Lost 8 |
| » W: Don Aase (3-0) L: Pablo Torrealba (3-3) S: Bill Campbell (18) | Seventh | 21½ out |
| Sunday, August 7 |
| » Lost to Red Sox (64-43), 5-2 | Oakland-Alameda County Stadium (25-34) | 42-66 | Lost 9 |
| » W: Rick Wise (8-4) L: Rick Langford (7-13) S: Bill Campbell (19) | Seventh | 21½ out |
| Monday, August 8 |
| » Lost to Rangers (61-47), 5-2 | Arlington Stadium (0-3) | 42-67 | Lost 10 |
| » W: Bert Blyleven (11-10) L: Jim Umbarger (1-3) | Seventh | 23 out |
| » Lost to Rangers (62-47), 3-0 | Arlington Stadium (0-4) | 42-68 | Lost 11 |
| » W: Roger Moret (2-0) L: Doc Medich (5-5) S: Adrian Devine (10) | Seventh | 23 out |
| Wednesday, August 10 |
| » Lost to Yankees (61-49), 6-3 | Yankee Stadium (1-4) | 42-69 | Lost 12 |
| » W: Ron Guidry (9-6) L: Vida Blue (10-14) | Seventh | 23½ out |
| Thursday, August 11 |
| » Lost to Yankees (62-49), 3-0 | Yankee Stadium (1-5) | 42-70 | Lost 13 |
| » W: Mike Torrez (12-10) L: Pablo Torrealba (3-4) | Seventh | 23½ out |
| Friday, August 12 |
| » Lost to Orioles (66-47), 6-1 | Memorial Stadium (1-2) | 42-71 | Lost 14 |
| » W: Jim Palmer (13-10) L: Vida Blue (10-15) | Seventh | 24 out |
| Saturday, August 13 |
| » Defeated Orioles (66-48), 9-6 | Memorial Stadium (2-2) | 43-71 | |
| » W: Rick Langford (8-13) L: Mike Flanagan (8-9) S: Doug Bair (1) | Seventh | 23½ out |
| Sunday, August 14 |
| » Lost to Orioles (67-48), 5-4 | Memorial Stadium (2-3) | 43-72 | |
| » W: Ross Grimsley (11-6) L: Doc Medich (5-6) S: Tippy Martinez (6) | Seventh | 23½ out |
| Monday, August 15 |
| » Lost to Indians (53-63), 7-2 | Cleveland Stadium (1-3) | 43-73 | Lost 2 |
| » W: Rick Waits (7-4) L: Jim Umbarger (1-4) | Seventh | 24 out |
| Tuesday, August 16 |
| » Defeated Indians (53-64), 7-3 | Cleveland Stadium (2-3) | 44-73 | |
| » W: Vida Blue (11-15) L: Dennis Eckersley (11-10) | Sixth | 23 out |
| Friday, August 19 |
| » Lost to Indians (54-66), 2-1 | Oakland-Alameda County Stadium (25-35) | 44-74 | |
| » W: Al Fitzmorris (5-7) L: Joe Coleman (2-4) S: Jim Kern (15) | Seventh | 23½ out |
| Saturday, August 20 |
| » Lost to Indians (55-66), 5-4 | Oakland-Alameda County Stadium (25-36) | 44-75 | Lost 2 |
| » W: Jim Kern (6-7) L: Doug Bair (1-2) | Seventh | 24 out |
| Sunday, August 21 |
| » Lost to Indians (56-66), 4-1 | Oakland-Alameda County Stadium (25-37) | 44-76 | Lost 3 |
| » W: Dennis Eckersley (12-10) L: Rick Langford (8-14) | Seventh | 25 out |
| Monday, August 22 |
| » Defeated Blue Jays (42-79), 5-2 | Oakland-Alameda County Stadium (26-37) | 45-76 | |
| » W: Doc Medich (6-6) L: Dave Lemanczyk (10-11) S: Bob Lacey (7) | Seventh | 25 out |
| Tuesday, August 23 |
| » Lost to Blue Jays (43-79), 8-1 | Oakland-Alameda County Stadium (26-38) | 45-77 | |
| » W: Jim Clancy (2-4) L: Jim Umbarger (1-5) | Seventh | 26 out |
| Wednesday, August 24 |
| » Defeated Tigers (59-65), 3-1 | Oakland-Alameda County Stadium (27-38) | 46-77 | |
| » W: Vida Blue (12-15) L: Dave Rozema (14-5) | Seventh | 25½ out |
| » Defeated Tigers (59-66), 6-5 | Oakland-Alameda County Stadium (28-38) | 47-77 | Won 2 |
| » W: Doug Bair (2-2) L: John Hiller (5-13) | Seventh | 25½ out |
| Friday, August 26 |
| » Defeated Blue Jays (45-80), 8-4 | Exhibition Stadium (3-0) | 48-77 | Won 3 |
| » W: Pablo Torrealba (4-4) L: Jeff Byrd (2-8) | Seventh | 26 out |
| Saturday, August 27 |
| » Defeated Blue Jays (45-81), 9-8 | Exhibition Stadium (4-0) | 49-77 | Won 4 |
| » W: Doc Medich (7-6) L: Dave Lemanczyk (10-12) S: Doug Bair (2) | Seventh | 25 out |
| Sunday, August 28 |
| » Defeated Blue Jays (45-82), 6-2 | Exhibition Stadium (5-0) | 50-77 | Won 5 |
| » W: Vida Blue (13-15) L: Jim Clancy (2-5) | Sixth | 25 out |
| Monday, August 29 |
| » Defeated Red Sox (74-54), 8-7 | Fenway Park (1-3) | 51-77 | Won 6 |
| » W: Doug Bair (3-2) L: Bill Campbell (12-9) | Sixth | 24 out |
| Tuesday, August 30 |
| » Lost to Red Sox (75-54), 7-2 | Fenway Park (1-4) | 51-78 | |
| » W: Luis Tiant (9-8) L: Rick Langford (8-15) S: Reggie Cleveland (1) | Sixth | 24 out |
| Wednesday, August 31 |
| » Defeated Twins (75-59), 4-3 | Metropolitan Stadium (2-5) | 52-78 | |
| » W: Doc Medich (8-6) L: Paul Thormodsgard (10-10) S: Doug Bair (3) | Sixth | 24 out |
| Friday, September 2 |
| » Lost to Tigers (64-68), 6-4 | Tiger Stadium (1-2) | 52-79 | |
| » W: Jim Crawford (6-5) L: Vida Blue (13-16) S: John Hiller (7) | Sixth | 25½ out |
| Saturday, September 3 |
| » Lost to Tigers (65-68), 10-8 | Tiger Stadium (1-3) | 52-80 | Lost 2 |
| » W: Ed Glynn (1-0) L: Bob Lacey (3-7) S: Steve Foucault (11) | Sixth | 26½ out |
| Sunday, September 4 |
| » Defeated Tigers (65-69), 7-5 | Tiger Stadium (2-3) | 53-80 | |
| » W: Bob Lacey (4-7) L: Dave Rozema (15-6) S: Doug Bair (4) | Seventh | 26½ out |
| Monday, September 5 |
| » Defeated White Sox (74-59), 8-7 | Oakland-Alameda County Stadium (29-38) | 54-80 | Won 2 |
| » W: Doc Medich (9-6) L: Ken Kravec (8-7) S: Doug Bair (5) | Sixth | 27 out |
| » Lost to White Sox (75-59), 2-1 | Oakland-Alameda County Stadium (29-39) | 54-81 | |
| » W: Wilbur Wood (7-7) L: Pablo Torrealba (4-5) S: Lerrin LaGrow (21) | Sixth | 27 out |
| Tuesday, September 6 |
| » Lost to White Sox (76-59), 7-2 | Oakland-Alameda County Stadium (29-40) | 54-82 | Lost 2 |
| » W: Chris Knapp (10-6) L: Vida Blue (13-17) S: Clay Carroll (5) | Sixth | 28 out |
| Wednesday, September 7 |
| » Lost to White Sox (77-59), 5-1 | Oakland-Alameda County Stadium (29-41) | 54-83 | Lost 3 |
| » W: Steve Renko (5-2) L: Matt Keough (0-1) S: Dave Hamilton (7) | Sixth | 29 out |
| Friday, September 9 |
| » Lost to Brewers (60-85), 3-1 | Oakland-Alameda County Stadium (29-42) | 54-84 | Lost 4 |
| » W: Moose Haas (10-10) L: Rick Langford (8-16) | Seventh | 30½ out |
| Saturday, September 10 |
| » Defeated Brewers (60-86), 4-1 | Oakland-Alameda County Stadium (30-42) | 55-84 | |
| » W: Doc Medich (10-6) L: Lary Sorensen (5-9) | Sixth | 30½ out |
| Sunday, September 11 |
| » Defeated Brewers (60-87), 5-3 | Oakland-Alameda County Stadium (31-42) | 56-84 | Won 2 |
| » W: Vida Blue (14-17) L: Bill Travers (4-9) S: Doug Bair (6) | Sixth | 30½ out |
| Tuesday, September 13 |
| » Major-league debuts: Roy Lee Jackson (Mets) |
| Wednesday, September 14 |
| » Lost to Royals (88-54), 5-2 | Royals Stadium (1-3) | 56-85 | |
| » W: Jim Colborn (17-13) L: Rick Langford (8-17) S: Larry Gura (10) | Sixth | 32½ out |
| » Lost to Royals (89-54), 6-0 | Royals Stadium (1-4) | 56-86 | Lost 2 |
| » W: Dennis Leonard (17-11) L: Matt Keough (0-2) | Sixth | 32½ out |
| Thursday, September 15 |
| » Lost to Royals (90-54), 7-6 | Royals Stadium (1-5) | 56-87 | Lost 3 |
| » W: Doug Bird (11-4) L: Doug Bair (3-3) | Sixth | 34½ out |
| » Lost to Royals (91-54), 5-4 | Royals Stadium (1-6) | 56-88 | Lost 4 |
| » W: Steve Mingori (2-4) L: Doug Bair (3-4) | Sixth | 34½ out |
| Friday, September 16 |
| » Defeated Brewers (62-88), 8-1 | County Stadium (1-2) | 57-88 | |
| » W: Joe Coleman (3-4) L: Moose Haas (10-11) | Sixth | 33½ out |
| Saturday, September 17 |
| » Lost to Brewers (63-88), 8-1 | County Stadium (1-3) | 57-89 | |
| » W: Lary Sorensen (6-9) L: Craig Mitchell (0-1) | Sixth | 34½ out |
| Sunday, September 18 |
| » Defeated Brewers (63-89), 3-1 | County Stadium (2-3) | 58-89 | |
| » W: Matt Keough (1-2) L: Bill Travers (4-10) S: Doug Bair (7) | Sixth | 34½ out |
| Monday, September 19 |
| » Lost to White Sox (84-67), 8-0 | Comiskey Park I (1-4) | 58-90 | |
| » W: Ken Kravec (9-8) L: Vida Blue (14-18) | Sixth | 35 out |
| Former Athletic Paddy Livingston dies in Cleveland, OH at the age of 98. |
| Tuesday, September 20 |
| » Lost to White Sox (85-67), 8-2 | Comiskey Park I (1-5) | 58-91 | Lost 2 |
| » W: Steve Stone (15-11) L: Rick Langford (8-18) S: Dave Hamilton (8) | Sixth | 36 out |
| Wednesday, September 21 |
| » Defeated White Sox (85-68), 8-6 | Comiskey Park I (2-5) | 59-91 | |
| » W: Doug Bair (4-4) L: Clay Carroll (5-5) | Sixth | 36 out |
| Friday, September 23 |
| » Lost to Rangers (87-67), 6-5 | Oakland-Alameda County Stadium (31-43) | 59-92 | |
| » W: Gaylord Perry (14-12) L: Doug Bair (4-5) | Sixth | 37 out |
| Saturday, September 24 |
| » Lost to Rangers (88-67), 3-1 | Oakland-Alameda County Stadium (31-44) | 59-93 | Lost 2 |
| » W: Doyle Alexander (17-10) L: Vida Blue (14-19) | Sixth | 38 out |
| Sunday, September 25 |
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