| Wednesday, March 22 |
| Future Met Jeremy Griffiths is born in Fairview, OH. |
| Wednesday, April 5 |
| » Major-league debuts: Hosken Powell (Twins) |
| Friday, April 7 |
| » Defeated Expos (0-1), 3-1 | Shea Stadium (1-0) | 1-0 | |
| » W: Jerry Koosman (1-0) L: Steve Rogers (0-1) | First | -- |
| Saturday, April 8 |
| » Defeated Expos (0-2), 6-5 | Shea Stadium (2-0) | 2-0 | Won 2 |
| » W: Mardie Cornejo (1-0) L: Stan Bahnsen (0-1) | First | -- |
| Sunday, April 9 |
| » Defeated Expos (0-3), 6-5 | Shea Stadium (3-0) | 3-0 | Won 3 |
| » W: Pat Zachry (1-0) L: Wayne Twitchell (0-1) S: Mardie Cornejo (1) | First | -- |
| » Lost to Expos (1-3), 5-0 | Shea Stadium (3-1) | 3-1 | |
| » W: Ross Grimsley (1-0) L: Mike Bruhert (0-1) | First | -- |
| Monday, April 10 |
| » Defeated Cubs (1-3), 6-0 | Shea Stadium (4-1) | 4-1 | |
| » W: Craig Swan (1-0) L: Dennis Lamp (0-1) | First | -- |
| Tuesday, April 11 |
| » Lost to Cubs (2-3), 4-2 | Shea Stadium (4-2) | 4-2 | |
| » W: Rick Reuschel (1-1) L: Jerry Koosman (1-1) S: Donnie Moore (1) | First | -- |
| Wednesday, April 12 |
| » Lost to Cubs (3-3), 4-2 | Shea Stadium (4-3) | 4-3 | Lost 2 |
| » W: Ray Burris (1-0) L: Nino Espinosa (0-1) | Second | 1 out |
| Friday, April 14 |
| » Defeated Expos (2-4), 3-2 | Stade Olympique (1-0) | 5-3 | |
| » W: Mardie Cornejo (2-0) L: Rudy May (0-1) S: Skip Lockwood (1) | First | -- |
| Saturday, April 15 |
| » Lost to Expos (3-4), 4-3 | Stade Olympique (1-1) | 5-4 | |
| » W: Bill Atkinson (1-0) L: Bob Myrick (0-1) | Second | 1½ out |
| Sunday, April 16 |
| » Lost to Expos (4-4), 4-1 | Stade Olympique (1-2) | 5-5 | Lost 2 |
| » W: Ross Grimsley (2-0) L: Jerry Koosman (1-2) | Fourth | 1½ out |
| Monday, April 17 |
| » Defeated Cardinals (5-5), 6-2 | Busch Stadium II (1-0) | 6-5 | |
| » W: Nino Espinosa (1-1) L: Pete Falcone (0-1) S: Skip Lockwood (2) | Third | 1½ out |
| Tuesday, April 18 |
| » Defeated Cardinals (5-6), 3-2 | Busch Stadium II (2-0) | 7-5 | Won 2 |
| » W: Mike Bruhert (1-1) L: Eric Rasmussen (1-2) S: Skip Lockwood (3) | Third | 2 out |
| Wednesday, April 19 |
| » Defeated Cardinals (5-7), 2-0 | Busch Stadium II (3-0) | 8-5 | Won 3 |
| » W: Pat Zachry (2-0) L: Mark Littell (0-1) | Second | 2½ out |
| Friday, April 21 |
| » Lost to Cubs (7-5), 5-0 | Wrigley Field (0-1) | 8-6 | |
| » W: Dennis Lamp (1-2) L: Craig Swan (1-1) | Third | 3 out |
| Saturday, April 22 |
| » Defeated Cubs (7-6), 3-2 | Wrigley Field (1-1) | 9-6 | |
| » W: Mardie Cornejo (3-0) L: Rick Reuschel (2-2) S: Skip Lockwood (4) | First | -- |
| Sunday, April 23 |
| » Lost to Cubs (8-6), 3-2 | Wrigley Field (1-2) | 9-7 | |
| » W: Willie Hernandez (2-0) L: Butch Metzger (0-1) | Third | 1½ out |
| Monday, April 24 |
| » Lost to Pirates (7-7), 4-2 | Shea Stadium (4-4) | 9-8 | Lost 2 |
| » W: Kent Tekulve (2-0) L: Mardie Cornejo (3-1) | Third | 1½ out |
| Tuesday, April 25 |
| » Lost to Pirates (8-7), 2-1 | Shea Stadium (4-5) | 9-9 | Lost 3 |
| » W: Don Robinson (1-1) L: Mike Bruhert (1-2) | Fifth | 1½ out |
| Wednesday, April 26 |
| » Lost to Pirates (9-7), 1-0 | Shea Stadium (4-6) | 9-10 | Lost 4 |
| » W: Bert Blyleven (1-1) L: Bob Myrick (0-2) | Fourth | 1½ out |
| Friday, April 28 |
| » Lost to Reds (12-7), 5-1 | Shea Stadium (4-7) | 9-11 | Lost 5 |
| » W: Fred Norman (3-0) L: Jerry Koosman (1-3) S: Manny Sarmiento (1) | Fifth | 2½ out |
| Saturday, April 29 |
| » Lost to Reds (13-7), 14-7 | Shea Stadium (4-8) | 9-12 | Lost 6 |
| » W: Pedro Borbon (2-0) L: Mardie Cornejo (3-2) S: Doug Bair (3) | Fourth | 2½ out |
| Sunday, April 30 |
| » Defeated Reds (13-8), 6-4 | Shea Stadium (5-8) | 10-12 | |
| » W: Pat Zachry (3-0) L: Tom Hume (2-3) S: Skip Lockwood (5) | Fifth | 2½ out |
| Monday, May 1 |
| » Lost to Braves (7-14), 6-5 | Atlanta-Fulton County Stadium (0-1) | 10-13 | |
| » W: Eddie Solomon (1-1) L: Skip Lockwood (0-1) | Fourth | 3½ out |
| Tuesday, May 2 |
| » Lost to Braves (8-14), 5-4 | Atlanta-Fulton County Stadium (0-2) | 10-14 | Lost 2 |
| » W: Adrian Devine (2-1) L: Bob Myrick (0-3) | Sixth | 4 out |
| Thursday, May 4 |
| » Defeated Braves (8-15), 8-2 | Atlanta-Fulton County Stadium (1-2) | 11-14 | |
| » W: Jerry Koosman (2-3) L: Phil Niekro (2-5) | Fifth | 3½ out |
| Friday, May 5 |
| » Lost to Phillies (12-8), 9-4 | Veteran's Stadium (0-1) | 11-15 | |
| » W: Jim Lonborg (3-2) L: Nino Espinosa (1-2) S: Tug McGraw (2) | Fifth | 4½ out |
| Saturday, May 6 |
| » Lost to Phillies (13-8), 7-2 | Veteran's Stadium (0-2) | 11-16 | Lost 2 |
| » W: Steve Carlton (3-3) L: Pat Zachry (3-1) | Fifth | 5 out |
| Sunday, May 7 |
| » Lost to Phillies (14-8), 8-5 | Veteran's Stadium (0-3) | 11-17 | Lost 3 |
| » W: Gene Garber (1-0) L: Craig Swan (1-2) S: Tug McGraw (3) | Sixth | 6 out |
| Monday, May 8 |
| » Defeated Reds (16-12), 3-2 | Riverfront Stadium (1-0) | 12-17 | |
| » W: Skip Lockwood (1-1) L: Pedro Borbon (2-1) S: Mardie Cornejo (2) | Sixth | 5½ out |
| Tuesday, May 9 |
| » Lost to Reds (17-12), 7-6 | Riverfront Stadium (1-1) | 12-18 | |
| » W: Doug Bair (1-0) L: Skip Lockwood (1-2) | Fifth | 5½ out |
| Wednesday, May 10 |
| » Defeated Expos (15-12), 7-2 | Stade Olympique (2-2) | 13-18 | |
| » W: Nino Espinosa (2-2) L: Rudy May (2-3) | Sixth | 5½ out |
| Thursday, May 11 |
| » Defeated Expos (15-13), 3-2 | Stade Olympique (3-2) | 14-18 | Won 2 |
| » W: Pat Zachry (4-1) L: Stan Bahnsen (0-2) S: Skip Lockwood (6) | Fifth | 5½ out |
| Friday, May 12 |
| » Lost to Astros (12-16), 5-4 | Shea Stadium (5-9) | 14-19 | |
| » W: Tom Dixon (2-0) L: Skip Lockwood (1-3) | Sixth | 5½ out |
| Saturday, May 13 |
| » Lost to Astros (13-16), 7-4 | Shea Stadium (5-10) | 14-20 | Lost 2 |
| » W: Joe Niekro (2-4) L: Mike Bruhert (1-3) S: Joe Sambito (2) | Sixth | 5½ out |
| Wednesday, May 17 |
| » Lost to Braves (13-18), 2-1 | Shea Stadium (5-11) | 14-21 | Lost 3 |
| » W: Phil Niekro (3-6) L: Jerry Koosman (2-4) | Fifth | 4½ out |
| » Defeated Braves (13-19), 3-1 | Shea Stadium (6-11) | 15-21 | |
| » W: Nino Espinosa (3-2) L: Tommy Boggs (1-4) | Fifth | 4½ out |
| Thursday, May 18 |
| » Defeated Braves (13-20), 8-7 | Shea Stadium (7-11) | 16-21 | Won 2 |
| » W: Skip Lockwood (2-3) L: Eddie Solomon (1-3) | Fifth | 4½ out |
| Friday, May 19 |
| » Defeated Phillies (18-15), 4-3 | Shea Stadium (8-11) | 17-21 | Won 3 |
| » W: Skip Lockwood (3-3) L: Tug McGraw (1-2) | Fifth | 3½ out |
| Saturday, May 20 |
| » Lost to Phillies (19-15), 9-4 | Shea Stadium (8-12) | 17-22 | |
| » W: Tug McGraw (2-2) L: Dale Murray (1-2) | Fifth | 4½ out |
| Sunday, May 21 |
| » Defeated Phillies (19-16), 6-5 | Shea Stadium (9-12) | 18-22 | |
| » W: Skip Lockwood (4-3) L: Tug McGraw (2-3) | Fourth | 3½ out |
| Tuesday, May 23 |
| » Defeated Pirates (18-21), 7-3 | Three Rivers Stadium (1-0) | 19-22 | Won 2 |
| » W: Nino Espinosa (4-2) L: Grant Jackson (0-1) S: Skip Lockwood (7) | Fourth | 3 out |
| Wednesday, May 24 |
| » Lost to Pirates (19-21), 6-5 | Three Rivers Stadium (1-1) | 19-23 | |
| » W: Kent Tekulve (3-2) L: Skip Lockwood (4-4) | Fifth | 3½ out |
| Thursday, May 25 |
| » Defeated Pirates (19-22), 3-2 | Three Rivers Stadium (2-1) | 20-23 | |
| » W: Dale Murray (2-2) L: Kent Tekulve (3-3) | Fourth | 3½ out |
| Friday, May 26 |
| » Lost to Astros (19-21), 5-4 | Astrodome (0-1) | 20-24 | |
| » W: Mark Lemongello (4-5) L: Jerry Koosman (2-5) S: Ken Forsch (1) | Fifth | 4½ out |
| Saturday, May 27 |
| » Defeated Astros (19-22), 9-7 | Astrodome (1-1) | 21-24 | |
| » W: Butch Metzger (1-1) L: Joe Sambito (2-3) S: Dale Murray (3) | Fourth | 4½ out |
| Sunday, May 28 |
| » Defeated Astros (19-23), 4-1 | Astrodome (2-1) | 22-24 | Won 2 |
| » W: Nino Espinosa (5-2) L: Tom Dixon (2-1) | Fourth | 4½ out |
| Monday, May 29 |
| » Defeated Cardinals (15-32), 7-2 | Shea Stadium (10-12) | 23-24 | Won 3 |
| » W: Pat Zachry (5-1) L: John Urrea (2-7) | Fourth | 4 out |
| » Lost to Cardinals (16-32), 6-2 | Shea Stadium (10-13) | 23-25 | |
| » W: Pete Vuckovich (1-4) L: Craig Swan (1-3) | Fourth | 4 out |
| Tuesday, May 30 |
| » Lost to Cardinals (17-32), 8-2 | Shea Stadium (10-14) | 23-26 | Lost 2 |
| » W: Silvio Martinez (1-0) L: Jerry Koosman (2-6) | Fourth | 4 out |
| Wednesday, May 31 |
| » Lost to Cardinals (18-32), 5-4 | Shea Stadium (10-15) | 23-27 | Lost 3 |
| » W: Bob Forsch (7-3) L: Mike Bruhert (1-4) S: Buddy Schultz (1) | Fifth | 4 out |
| Friday, June 2 |
| » Lost to Padres (22-26), 5-4 | Shea Stadium (10-16) | 23-28 | Lost 4 |
| » W: Randy Jones (5-3) L: Nino Espinosa (5-3) S: Rollie Fingers (12) | Fifth | 5 out |
| Saturday, June 3 |
| » Defeated Padres (22-27), 3-2 | Shea Stadium (11-16) | 24-28 | |
| » W: Pat Zachry (6-1) L: Bob Owchinko (3-5) S: Skip Lockwood (8) | Fourth | 5 out |
| Sunday, June 4 |
| » Lost to Padres (23-27), 5-2 | Shea Stadium (11-17) | 24-29 | |
| » W: Gaylord Perry (4-2) L: Jerry Koosman (2-7) S: Rollie Fingers (13) | Fifth | 6 out |
| Monday, June 5 |
| » Defeated Dodgers (27-24), 9-8 | Shea Stadium (12-17) | 25-29 | |
| » W: Skip Lockwood (5-4) L: Terry Forster (1-2) | Fourth | 6 out |
| Tuesday, June 6 |
| » Lost to Dodgers (28-24), 8-2 | Shea Stadium (12-18) | 25-30 | |
| » W: Doug Rau (6-2) L: Nino Espinosa (5-4) | Fifth | 7 out |
| Wednesday, June 7 |
| » Defeated Dodgers (28-25), 3-2 | Shea Stadium (13-18) | 26-30 | |
| » W: Pat Zachry (7-1) L: Charlie Hough (1-1) | Fourth | 6 out |
| Friday, June 9 |
| » Defeated Giants (32-21), 3-2 | Shea Stadium (14-18) | 27-30 | Won 2 |
| » W: Skip Lockwood (6-4) L: Bob Knepper (7-3) | Fourth | 6½ out |
| Saturday, June 10 |
| » Lost to Giants (33-21), 2-1 | Shea Stadium (14-19) | 27-31 | |
| » W: Vida Blue (7-4) L: Kevin Kobel (0-1) S: Gary Lavelle (8) | Fourth | 6½ out |
| Sunday, June 11 |
| » Lost to Giants (34-21), 7-5 | Shea Stadium (14-20) | 27-32 | Lost 2 |
| » W: John Montefusco (5-2) L: Nino Espinosa (5-5) S: Gary Lavelle (9) | Fifth | 7½ out |
| Monday, June 12 |
| » Lost to Padres (25-32), 3-2 | San Diego/Jack Murphy Stadium (0-1) | 27-33 | Lost 3 |
| » W: Mark Lee (3-1) L: Pat Zachry (7-2) | Fifth | 8½ out |
| Tuesday, June 13 |
| » Defeated Padres (25-33), 3-2 | San Diego/Jack Murphy Stadium (1-1) | 28-33 | |
| » W: Skip Lockwood (7-4) L: Rollie Fingers (2-7) S: Paul Siebert (1) | Fourth | 7½ out |
| Wednesday, June 14 |
| » Lost to Dodgers (33-27), 5-3 | Dodger Stadium (0-1) | 28-34 | |
| » W: Tommy John (8-4) L: Jerry Koosman (2-8) S: Charlie Hough (1) | Fifth | 7½ out |
| Thursday, June 15 |
| » Lost to Dodgers (34-27), 3-0 | Dodger Stadium (0-2) | 28-35 | Lost 2 |
| » W: Rick Rhoden (6-3) L: Nino Espinosa (5-6) S: Charlie Hough (2) | Fifth | 8 out |
| Friday, June 16 |
| » Lost to Giants (39-21), 7-4 | Candlestick Park (0-1) | 28-36 | Lost 3 |
| » W: Gary Lavelle (5-4) L: Skip Lockwood (7-5) | Fifth | 9 out |
| Saturday, June 17 |
| » Defeated Giants (39-22), 5-4 | Candlestick Park (1-1) | 29-36 | |
| » W: Pat Zachry (8-2) L: Bob Knepper (8-4) S: Dale Murray (4) | Fifth | 8 out |
| Sunday, June 18 |
| » Lost to Giants (40-22), 3-0 | Candlestick Park (1-2) | 29-37 | |
| » W: Vida Blue (9-4) L: Craig Swan (1-4) | Fifth | 8½ out |
| » Lost to Giants (41-22), 4-3 | Candlestick Park (1-3) | 29-38 | Lost 2 |
| » W: Randy Moffitt (6-2) L: Dale Murray (2-3) | Fifth | 8½ out |
| Tuesday, June 20 |
| » Defeated Expos (33-33), 3-0 | Shea Stadium (15-20) | 30-38 | |
| » W: Nino Espinosa (6-6) L: Ross Grimsley (11-4) | Fifth | 8 out |
| Wednesday, June 21 |
| » Lost to Expos (34-33), 2-1 | Shea Stadium (15-21) | 30-39 | |
| » W: Steve Rogers (8-7) L: Mike Bruhert (1-5) | Fifth | 8 out |
| Thursday, June 22 |
| » Lost to Expos (35-33), 2-0 | Shea Stadium (15-22) | 30-40 | Lost 2 |
| » W: Hal Dues (1-3) L: Pat Zachry (8-3) S: Mike Garman (4) | Fifth | 8½ out |
| Friday, June 23 |
| » Defeated Pirates (31-34), 3-2 | Shea Stadium (16-22) | 31-40 | |
| » W: Dale Murray (3-3) L: Ed Whitson (1-2) | Fifth | 7 out |
| Saturday, June 24 |
| » Lost to Pirates (32-34), 7-4 | Shea Stadium (16-23) | 31-41 | |
| » W: Kent Tekulve (4-4) L: Paul Siebert (0-1) S: Dave Hamilton (1) | Fifth | 8 out |
| Sunday, June 25 |
| » Lost to Pirates (33-34), 4-0 | Shea Stadium (16-24) | 31-42 | Lost 2 |
| » W: Bert Blyleven (7-5) L: Nino Espinosa (6-7) | Fifth | 9 out |
| Monday, June 26 |
| » Lost to Cubs (36-32), 10-9 | Wrigley Field (1-3) | 31-43 | Lost 3 |
| » W: Lynn McGlothen (1-0) L: Butch Metzger (1-2) S: Bruce Sutter (9) | Fifth | 9 out |
| Tuesday, June 27 |
| » Defeated Cubs (36-33), 7-2 | Wrigley Field (2-3) | 32-43 | |
| » W: Pat Zachry (9-3) L: Dennis Lamp (2-9) | Fifth | 9 out |
| Wednesday, June 28 |
| » Lost to Cubs (37-33), 9-8 | Wrigley Field (2-4) | 32-44 | |
| » W: Ray Burris (5-5) L: Butch Metzger (1-3) | Fifth | 10 out |
| Thursday, June 29 |
| » Lost to Pirates (35-37), 4-3 | Three Rivers Stadium (2-2) | 32-45 | Lost 2 |
| » W: Grant Jackson (3-3) L: Skip Lockwood (7-6) S: Ed Whitson (3) | Fifth | 11 out |
| » Major-league debuts: Dwight Bernard (Mets) |
| Friday, June 30 |
| » Defeated Pirates (35-38), 6-5 | Three Rivers Stadium (3-2) | 33-45 | |
| » W: Dale Murray (4-3) L: Dave Hamilton (0-2) | Fifth | 10½ out |
| Saturday, July 1 |
| » Lost to Pirates (36-38), 1-0 | Three Rivers Stadium (3-3) | 33-46 | |
| » W: Jim Rooker (3-5) L: Skip Lockwood (7-7) S: Kent Tekulve (9) | Fifth | 11½ out |
| Tuesday, July 4 |
| » Defeated Phillies (42-32), 4-0 | Shea Stadium (17-24) | 34-46 | |
| » W: Pat Zachry (10-3) L: Larry Christenson (5-8) | Fifth | 12 out |
| » Lost to Phillies (43-32), 3-2 | Shea Stadium (17-25) | 34-47 | |
| » W: Rawly Eastwick (3-1) L: Craig Swan (1-5) S: Ron Reed (6) | Fifth | 12 out |
| Wednesday, July 5 |
| » Lost to Phillies (44-32), 7-5 | Shea Stadium (17-26) | 34-48 | Lost 2 |
| » W: Warren Brusstar (2-0) L: Jerry Koosman (2-9) S: Tug McGraw (7) | Fifth | 13 out |
| Thursday, July 6 |
| » Defeated Cubs (41-38), 9-6 | Shea Stadium (18-26) | 35-48 | |
| » W: Nino Espinosa (7-7) L: Lynn McGlothen (1-1) S: Skip Lockwood (9) | Fifth | 13 out |
| Friday, July 7 |
| » Lost to Cubs (42-38), 9-7 | Shea Stadium (18-27) | 35-49 | |
| » W: Lynn McGlothen (2-1) L: Paul Siebert (0-2) S: Bruce Sutter (13) | Fifth | 13 out |
| Saturday, July 8 |
| » Defeated Cubs (42-39), 7-0 | Shea Stadium (19-27) | 36-49 | |
| » W: Kevin Kobel (1-1) L: Ray Burris (5-6) | Fifth | 12½ out |
| Sunday, July 9 |
| » Lost to Cubs (43-39), 4-1 | Shea Stadium (19-28) | 36-50 | |
| » W: Mike Krukow (3-0) L: Pat Zachry (10-4) S: Bruce Sutter (14) | Fifth | 13½ out |
| Thursday, July 13 |
| » Defeated Reds (49-38), 4-2 | Riverfront Stadium (2-1) | 37-50 | |
| » W: Jerry Koosman (3-9) L: Tom Seaver (9-8) S: Skip Lockwood (10) | Fifth | 13 out |
| Friday, July 14 |
| » Lost to Reds (50-38), 6-3 | Riverfront Stadium (2-2) | 37-51 | |
| » W: Doug Bair (4-3) L: Pat Zachry (10-5) | Fifth | 13 out |
| Saturday, July 15 |
| » Lost to Reds (51-38), 7-5 | Riverfront Stadium (2-3) | 37-52 | Lost 2 |
| » W: Dave Tomlin (5-1) L: Dale Murray (4-4) S: Manny Sarmiento (5) | Fifth | 13 out |
| Sunday, July 16 |
| » Lost to Reds (52-38), 9-2 | Riverfront Stadium (2-4) | 37-53 | Lost 3 |
| » W: Tom Hume (4-9) L: Kevin Kobel (1-2) | Fifth | 14 out |
| Monday, July 17 |
| » Lost to Braves (40-48), 3-0 | Atlanta-Fulton County Stadium (1-3) | 37-54 | Lost 4 |
| » W: Larry McWilliams (1-0) L: Nino Espinosa (7-8) S: Gene Garber (13) | Fifth | 13½ out |
| » Defeated Braves (40-49), 7-4 | Atlanta-Fulton County Stadium (2-3) | 38-54 | |
| » W: Tom Hausman (1-0) L: Mickey Mahler (3-5) S: Skip Lockwood (11) | Fifth | 13½ out |
| » Major-league debuts: Larry McWilliams (Braves) |
| Tuesday, July 18 |
| » Lost to Braves (41-49), 4-3 | Atlanta-Fulton County Stadium (2-4) | 38-55 | |
| » W: Phil Niekro (11-9) L: Jerry Koosman (3-10) | Fifth | 13½ out |
| Wednesday, July 19 |
| » Lost to Astros (41-49), 8-3 | Shea Stadium (19-29) | 38-56 | Lost 2 |
| » W: Tom Dixon (5-6) L: Pat Zachry (10-6) S: Joe Sambito (7) | Fifth | 13 out |
| » Defeated Astros (41-50), 2-1 | Shea Stadium (20-29) | 39-56 | |
| » W: Craig Swan (2-5) L: Mark Lemongello (7-9) | Fifth | 13 out |
| » Major-league debuts: Bruce Bochy (Astros) |
| Thursday, July 20 |
| » Defeated Astros (41-51), 7-4 | Shea Stadium (21-29) | 40-56 | Won 2 |
| » W: Mike Bruhert (2-5) L: Floyd Bannister (3-6) S: Skip Lockwood (12) | Fifth | 12½ out |
| » Defeated Astros (41-52), 5-4 | Shea Stadium (22-29) | 41-56 | Won 3 |
| » W: Dale Murray (5-4) L: Joe Sambito (3-6) | Fifth | 12½ out |
| Friday, July 21 |
| » Defeated Braves (42-52), 12-3 | Shea Stadium (23-29) | 42-56 | Won 4 |
| » W: Nino Espinosa (8-8) L: Preston Hanna (7-7) | Fifth | 13 out |
| Saturday, July 22 |
| » Defeated Braves (42-53), 2-0 | Shea Stadium (24-29) | 43-56 | Won 5 |
| » W: Tom Hausman (2-0) L: Phil Niekro (11-10) S: Skip Lockwood (13) | Fifth | 13 out |
| Sunday, July 23 |
| » Lost to Braves (43-53), 3-0 | Shea Stadium (24-30) | 43-57 | |
| » W: Larry McWilliams (2-0) L: Jerry Koosman (3-11) S: Gene Garber (14) | Fifth | 14 out |
| Monday, July 24 |
| » Lost to Reds (58-40), 5-3 | Shea Stadium (24-31) | 43-58 | Lost 2 |
| » W: Manny Sarmiento (9-6) L: Skip Lockwood (7-8) | Fifth | 14 out |
| Tuesday, July 25 |
| » Defeated Reds (58-41), 9-2 | Shea Stadium (25-31) | 44-58 | |
| » W: Craig Swan (3-5) L: Tom Hume (4-10) | Fifth | 13 out |
| Wednesday, July 26 |
| » Defeated Reds (58-42), 12-3 | Shea Stadium (26-31) | 45-58 | Won 2 |
| » W: Nino Espinosa (9-8) L: Mike LaCoss (1-1) | Fifth | 12 out |
| Thursday, July 27 |
| » Lost to Astros (45-56), 8-3 | Astrodome (2-2) | 45-59 | |
| » W: J.R. Richard (10-9) L: Tom Hausman (2-1) | Fifth | 12½ out |
| Friday, July 28 |
| » Lost to Astros (46-56), 4-3 | Astrodome (2-3) | 45-60 | Lost 2 |
| » W: Joe Sambito (4-6) L: Skip Lockwood (7-9) | Fifth | 13 out |
| Sunday, July 30 |
| » Lost to Astros (47-56), 4-3 | Astrodome (2-4) | 45-61 | Lost 3 |
| » W: Joaquin Andujar (4-4) L: Dwight Bernard (0-1) | Fifth | 12½ out |
| Monday, July 31 |
| » Lost to Phillies (55-45), 6-1 | Veteran's Stadium (0-4) | 45-62 | Lost 4 |
| » W: Dick Ruthven (8-8) L: Nino Espinosa (9-9) | Fifth | 13½ out |
| Tuesday, August 1 |
| » Defeated Phillies (55-46), 5-1 | Veteran's Stadium (1-4) | 46-62 | |
| » W: Kevin Kobel (2-2) L: Steve Carlton (9-11) | Fifth | 12½ out |
| Wednesday, August 2 |
| » Lost to Phillies (56-46), 8-6 | Veteran's Stadium (1-5) | 46-63 | |
| » W: Randy Lerch (6-6) L: Jerry Koosman (3-12) S: Tug McGraw (9) | Fifth | 13½ out |
| Friday, August 4 |
| » Defeated Cardinals (40-68), 8-3 | Busch Stadium II (4-0) | 47-63 | |
| » W: Craig Swan (4-5) L: Bob Forsch (9-12) | Fifth | 13 out |
| Saturday, August 5 |
| » Lost to Cardinals (41-68), 5-3 | Busch Stadium II (4-1) | 47-64 | |
| » W: Tom Bruno (1-0) L: Nino Espinosa (9-10) S: Mark Littell (5) | Fifth | 13½ out |
| Sunday, August 6 |
| » Lost to Cardinals (42-68), 3-1 | Busch Stadium II (4-2) | 47-65 | Lost 2 |
| » W: Silvio Martinez (6-5) L: Jerry Koosman (3-13) S: Roy Thomas (3) | Fifth | 15 out |
| Tuesday, August 8 |
| » Lost to Expos (54-60), 6-1 | Stade Olympique (3-3) | 47-66 | Lost 3 |
| » W: Dan Schatzeder (5-3) L: Tom Hausman (2-2) | Fifth | 14 out |
| Wednesday, August 9 |
| » Defeated Expos (54-61), 10-3 | Stade Olympique (4-3) | 48-66 | |
| » W: Craig Swan (5-5) L: Wayne Twitchell (3-11) | Fifth | 14 out |
| Friday, August 11 |
| » Lost to Cardinals (46-69), 4-1 | Shea Stadium (26-32) | 48-67 | |
| » W: Aurelio Lopez (2-1) L: Dale Murray (5-5) S: Tom Bruno (1) | Fifth | 15½ out |
| Saturday, August 12 |
| » Lost to Cardinals (47-69), 5-1 | Shea Stadium (26-33) | 48-68 | Lost 2 |
| » W: John Denny (9-8) L: Kevin Kobel (2-3) | Fifth | 16½ out |
| Sunday, August 13 |
| » Lost to Cardinals (48-69), 6-1 | Shea Stadium (26-34) | 48-69 | Lost 3 |
| » W: Pete Vuckovich (10-9) L: Mike Bruhert (2-6) | Fifth | 16½ out |
| Tuesday, August 15 |
| » Defeated Padres (60-59), 3-1 | Shea Stadium (27-34) | 49-69 | |
| » W: Craig Swan (6-5) L: Randy Jones (10-11) S: Skip Lockwood (14) | Fifth | 15½ out |
| Wednesday, August 16 |
| » Lost to Padres (61-59), 2-1 | Shea Stadium (27-35) | 49-70 | |
| » W: John D'Acquisto (3-3) L: Skip Lockwood (7-10) | Fifth | 15½ out |
| Thursday, August 17 |
| » Lost to Padres (62-59), 9-2 | Shea Stadium (27-36) | 49-71 | Lost 2 |
| » W: Gaylord Perry (14-5) L: Juan Berenguer (0-1) S: Mickey Lolich (1) | Sixth | 15½ out |
| » Major-league debuts: Juan Berenguer (Mets) |
| Friday, August 18 |
| » Lost to Dodgers (72-50), 7-3 | Shea Stadium (27-37) | 49-72 | Lost 3 |
| » W: Tommy John (14-9) L: Nino Espinosa (9-11) S: Charlie Hough (5) | Sixth | 15½ out |
| Saturday, August 19 |
| » Defeated Dodgers (72-51), 8-4 | Shea Stadium (28-37) | 50-72 | |
| » W: Dale Murray (6-5) L: Don Sutton (12-10) S: Skip Lockwood (15) | Sixth | 15½ out |
| Sunday, August 20 |
| » Lost to Dodgers (73-51), 5-4 | Shea Stadium (28-38) | 50-73 | |
| » W: Charlie Hough (4-3) L: Skip Lockwood (7-11) S: Terry Forster (16) | Sixth | 16½ out |
| Monday, August 21 |
| » Lost to Giants (72-53), 4-2 | Shea Stadium (28-39) | 50-74 | Lost 2 |
| » W: Randy Moffitt (8-4) L: Kevin Kobel (2-4) S: Gary Lavelle (12) | Sixth | 16½ out |
| Tuesday, August 22 |
| » Lost to Giants (73-53), 7-4 | Shea Stadium (28-40) | 50-75 | Lost 3 |
| » W: Ed Halicki (7-6) L: Nino Espinosa (9-12) S: Randy Moffitt (11) | Sixth | 17½ out |
| Wednesday, August 23 |
| » Lost to Giants (74-53), 2-1 | Shea Stadium (28-41) | 50-76 | Lost 4 |
| » W: Bob Knepper (13-9) L: Skip Lockwood (7-12) S: Gary Lavelle (13) | Sixth | 17½ out |
| Thursday, August 24 |
| » Defeated Padres (67-61), 6-3 | San Diego/Jack Murphy Stadium (2-1) | 51-76 | |
| » W: Mike Bruhert (3-6) L: Bob Owchinko (8-10) | Fifth | 16½ out |
| Friday, August 25 |
| » Defeated Padres (67-62), 2-1 | San Diego/Jack Murphy Stadium (3-1) | 52-76 | Won 2 |
| » W: Craig Swan (7-5) L: Gaylord Perry (15-6) | Sixth | 15½ out |
| Saturday, August 26 |
| » Lost to Padres (68-62), 2-1 | San Diego/Jack Murphy Stadium (3-2) | 52-77 | |
| » W: Mickey Lolich (2-0) L: Jerry Koosman (3-14) S: Rollie Fingers (30) | Sixth | 16½ out |
| Sunday, August 27 |
| » Lost to Padres (69-62), 3-0 | San Diego/Jack Murphy Stadium (3-3) | 52-78 | Lost 2 |
| » W: Eric Rasmussen (13-10) L: Nino Espinosa (9-13) | Sixth | 17½ out |
| Tuesday, August 29 |
| » Lost to Giants (77-55), 2-0 | Candlestick Park (1-4) | 52-79 | Lost 3 |
| » W: Bob Knepper (14-9) L: Tom Hausman (2-3) | Fifth | 19 out |
| Wednesday, August 30 |
| » Defeated Giants (77-56), 10-4 | Candlestick Park (2-4) | 53-79 | |
| » W: Craig Swan (8-5) L: John Montefusco (9-6) | Sixth | 19 out |
| Friday, September 1 |
| » Lost to Dodgers (80-54), 4-3 | Dodger Stadium (0-3) | 53-80 | |
| » W: Terry Forster (5-4) L: Kevin Kobel (2-5) | Sixth | 19 out |
| Saturday, September 2 |
| » Lost to Dodgers (81-54), 3-2 | Dodger Stadium (0-4) | 53-81 | Lost 2 |
| » W: Burt Hooton (16-8) L: Mike Bruhert (3-7) | Sixth | 19½ out |
| » Defeated Dodgers (81-55), 5-3 | Dodger Stadium (1-4) | 54-81 | |
| » W: Dale Murray (7-5) L: Charlie Hough (5-4) | Sixth | 19½ out |
| Sunday, September 3 |
| » Defeated Dodgers (81-56), 8-5 | Dodger Stadium (2-4) | 55-81 | Won 2 |
| » W: Tom Hausman (3-3) L: Tommy John (16-10) | Sixth | 18 out |
| Monday, September 4 |
| » Lost to Pirates (71-64), 7-4 | Three Rivers Stadium (3-4) | 55-82 | |
| » W: Ed Whitson (4-6) L: Skip Lockwood (7-13) S: Grant Jackson (5) | Sixth | 19 out |
| » Lost to Pirates (72-64), 7-0 | Three Rivers Stadium (3-5) | 55-83 | Lost 2 |
| » W: Jim Bibby (8-7) L: Juan Berenguer (0-2) | Sixth | 19 out |
| Tuesday, September 5 |
| » Lost to Pirates (73-64), 8-0 | Three Rivers Stadium (3-6) | 55-84 | Lost 3 |
| » W: Jerry Reuss (2-2) L: Jerry Koosman (3-15) | Sixth | 19½ out |
| Wednesday, September 6 |
| » Lost to Expos (67-73), 8-2 | Stade Olympique (4-4) | 55-85 | Lost 4 |
| » W: Ross Grimsley (17-9) L: Mike Bruhert (3-8) | Sixth | 20½ out |
| Future Met Alex Escobar is born in Valencia, Venezuela. |
| Thursday, September 7 |
| » Defeated Expos (67-74), 9-4 | Stade Olympique (5-4) | 56-85 | |
| » W: Nino Espinosa (10-13) L: Bob James (0-1) | Sixth | 20½ out |
| » Major-league debuts: Bob James (Expos) |
| Friday, September 8 |
| » Defeated Pirates (74-66), 3-2 | Shea Stadium (29-41) | 57-85 | Won 2 |
| » W: Dale Murray (8-5) L: Bert Blyleven (12-9) | Sixth | 21 out |
| Saturday, September 9 |
| » Defeated Pirates (74-67), 4-1 | Shea Stadium (30-41) | 58-85 | Won 3 |
| » W: Kevin Kobel (3-5) L: Jim Rooker (8-10) | Sixth | 21 out |
| Sunday, September 10 |
| » Defeated Pirates (74-68), 11-9 | Shea Stadium (31-41) | 59-85 | Won 4 |
| » W: Dwight Bernard (1-1) L: Kent Tekulve (6-7) S: Mardie Cornejo (3) | Sixth | 20 out |
| Monday, September 11 |
| » Lost to Cubs (73-71), 9-4 | Shea Stadium (31-42) | 59-86 | |
| » W: Dennis Lamp (7-13) L: Mike Bruhert (3-9) | Sixth | 21 out |
| » Major-league debuts: Alex Trevino (Mets) |
| Tuesday, September 12 |
| » Major-league debuts: Rudy Law (Dodgers) |
| Wednesday, September 13 |
| » Lost to Expos (70-77), 4-3 | Shea Stadium (31-43) | 59-87 | Lost 2 |
| » W: Scott Sanderson (2-2) L: Nino Espinosa (10-14) S: Mike Garman (12) | Sixth | 21½ out |
| Thursday, September 14 |
| » Defeated Expos (70-78), 7-6 | Shea Stadium (32-43) | 60-87 | |
| » W: Mardie Cornejo (4-2) L: Randy Miller (0-1) S: Dale Murray (5) | Sixth | 21½ out |
| Friday, September 15 |
| » Defeated Phillies (81-66), 5-4 | Veteran's Stadium (2-5) | 61-87 | Won 2 |
| » W: Dale Murray (9-5) L: Tug McGraw (8-6) | Sixth | 20½ out |
| Saturday, September 16 |
| » Lost to Phillies (82-66), 2-1 | Veteran's Stadium (2-6) | 61-88 | |
| » W: Steve Carlton (15-12) L: Dwight Bernard (1-2) | Sixth | 21½ out |
| Sunday, September 17 |
| » Defeated Phillies (82-67), 2-0 | Veteran's Stadium (3-6) | 62-88 | |
| » W: Mike Bruhert (4-9) L: Larry Christenson (11-14) | Sixth | 20½ out |
| Tuesday, September 19 |
| » Lost to Cardinals (65-87), 5-3 | Busch Stadium II (4-3) | 62-89 | |
| » W: Mark Littell (4-8) L: Dale Murray (9-6) | Sixth | 20½ out |
| Wednesday, September 20 |
| » Defeated Cardinals (65-88), 7-6 | Busch Stadium II (5-3) | 63-89 | |
| » W: Kevin Kobel (4-5) L: George Frazier (0-3) S: Jerry Koosman (1) | Sixth | 20½ out |
| Thursday, September 21 |
| » Lost to Cardinals (66-88), 6-2 | Busch Stadium II (5-4) | 63-90 | |
| » W: John Urrea (4-9) L: Craig Swan (8-6) | Sixth | 21 out |
| Friday, September 22 |
| » Major-league debuts: Pedro Guerrero Brad Gulden and Dave Stewart (Dodgers) Tony Castillo (Padres) |
| Saturday, September 23 |
| » Lost to Phillies (84-68), 1-0 | Shea Stadium (32-44) | 63-91 | Lost |