| Monday, April 9 |
| » Lost to Pirates (1-0), 12-3 | Shea Stadium (0-1) | 0-1 | |
| » W: Doug Drabek (1-0) L: Dwight Gooden (0-1) | Third | 1 out |
| » Major-league debuts: Scott Ruskin (Pirates) |
| Wednesday, April 11 |
| » Defeated Pirates (1-1), 3-0 | Shea Stadium (1-1) | 1-1 | |
| » W: Frank Viola (1-0) L: John Smiley (0-1) S: John Franco (1) | Third | ½ out |
| Thursday, April 12 |
| » Lost to Pirates (2-1), 6-2 | Shea Stadium (1-2) | 1-2 | |
| » W: Neal Heaton (1-0) L: Sid Fernandez (0-1) | Second | 1 out |
| Friday, April 13 |
| » Defeated Expos (1-3), 4-1 | Stade Olympique (1-0) | 2-2 | |
| » W: Julio Machado (1-0) L: Drew Hall (0-1) S: John Franco (2) | Second | 1 out |
| Saturday, April 14 |
| » Lost to Expos (2-3), 6-5 | Stade Olympique (1-1) | 2-3 | |
| » W: Dennis Martinez (1-0) L: Dwight Gooden (0-2) S: Steve Frey (1) | Third | 2 out |
| Sunday, April 15 |
| » Lost to Expos (3-3), 3-1 | Stade Olympique (1-2) | 2-4 | Lost 2 |
| » W: Zane Smith (1-1) L: Ron Darling (0-1) S: Tim Burke (2) | Third | 2 out |
| Monday, April 16 |
| » Defeated Cubs (4-3), 10-1 | Wrigley Field (1-0) | 3-4 | |
| » W: Frank Viola (2-0) L: Steve Wilson (0-2) S: Alejandro Pena (1) | Second | 1 out |
| Tuesday, April 17 |
| » Lost to Cubs (5-3), 8-6 | Shea Stadium (1-3) | 3-5 | |
| » W: Paul Assenmacher (1-0) L: Jeff Innis (0-1) S: Dean Wilkins (1) | Third | 2 out |
| Wednesday, April 18 |
| » Lost to Cubs (6-3), 8-5 | Shea Stadium (1-4) | 3-6 | Lost 2 |
| » W: Greg Maddux (2-0) L: David Cone (0-1) | Fourth | 3 out |
| Thursday, April 19 |
| » Defeated Cubs (6-4), 4-1 | Shea Stadium (2-4) | 4-6 | |
| » W: Dwight Gooden (1-2) L: Mike Harkey (1-1) S: John Franco (3) | Third | 2 out |
| Friday, April 20 |
| » Lost to Expos (7-4), 2-1 | Shea Stadium (2-5) | 4-7 | |
| » W: Zane Smith (2-1) L: Ron Darling (0-2) S: Tim Burke (3) | Fourth | 3 out |
| Saturday, April 21 |
| » Defeated Expos (7-5), 5-4 | Shea Stadium (3-5) | 5-7 | |
| » W: Frank Viola (3-0) L: Oil Can Boyd (1-1) S: John Franco (4) | Third | 2 out |
| Sunday, April 22 |
| » Defeated Expos (7-6), 5-0 | Shea Stadium (4-5) | 6-7 | Won 2 |
| » W: Sid Fernandez (1-1) L: Mark Gardner (0-2) | Third | 2 out |
| Tuesday, April 24 |
| » Defeated Braves (2-9), 2-1 | Shea Stadium (5-5) | 7-7 | Won 3 |
| » W: Julio Machado (2-0) L: Mike Stanton (0-1) | Third | 1½ out |
| Wednesday, April 25 |
| » Defeated Braves (2-10), 8-5 | Shea Stadium (6-5) | 8-7 | Won 4 |
| » W: Ron Darling (1-2) L: Mike Stanton (0-2) S: John Franco (5) | Third | 1½ out |
| Friday, April 27 |
| » Defeated Astros (6-10), 1-0 | Astrodome (1-0) | 9-7 | Won 5 |
| » W: Frank Viola (4-0) L: Mark Portugal (1-3) S: John Franco (6) | Second | 2 out |
| Saturday, April 28 |
| » Lost to Astros (7-10), 8-4 | Astrodome (1-1) | 9-8 | |
| » W: Bill Gullickson (1-1) L: Sid Fernandez (1-2) S: Dave Smith (6) | Third | 3 out |
| » Major-league debuts: Chuck Carr (Mets) |
| Sunday, April 29 |
| » Lost to Astros (8-10), 2-1 | Astrodome (1-2) | 9-9 | Lost 2 |
| » W: Danny Darwin (1-0) L: Julio Machado (2-1) | Third | 4 out |
| Monday, April 30 |
| » Lost to Braves (4-13), 7-4 | Atlanta-Fulton County Stadium (0-1) | 9-10 | Lost 3 |
| » W: John Smoltz (1-2) L: David Cone (0-2) S: Joe Boever (1) | Third | 4½ out |
| Tuesday, May 1 |
| » Lost to Braves (5-13), 5-2 | Atlanta-Fulton County Stadium (0-2) | 9-11 | Lost 4 |
| » W: Derek Lilliquist (1-3) L: Ron Darling (1-3) S: Charlie Kerfeld (1) | Fourth | 4½ out |
| » Major-league debuts: Darren Reed (Mets) |
| Wednesday, May 2 |
| » Defeated Reds (13-5), 5-0 | Shea Stadium (7-5) | 10-11 | |
| » W: Frank Viola (5-0) L: Tom Browning (2-2) | Fourth | 3½ out |
| Thursday, May 3 |
| » Lost to Reds (14-5), 5-0 | Shea Stadium (7-6) | 10-12 | |
| » W: Jack Armstrong (5-0) L: Sid Fernandez (1-3) S: Randy Myers (5) | Fifth | 4 out |
| Saturday, May 5 |
| » Lost to Astros (11-12), 9-5 | Shea Stadium (7-7) | 10-13 | Lost 2 |
| » W: Mike Scott (1-2) L: Dwight Gooden (1-3) S: Larry Andersen (1) | Fifth | 4½ out |
| Sunday, May 6 |
| » Defeated Astros (11-13), 7-4 | Shea Stadium (8-7) | 11-13 | |
| » W: John Franco (1-0) L: Dave Smith (0-2) | Fourth | 4½ out |
| » Defeated Astros (11-14), 7-6 | Shea Stadium (9-7) | 12-13 | Won 2 |
| » W: Alejandro Pena (1-0) L: Dan Schatzeder (1-1) | Fourth | 4½ out |
| Monday, May 7 |
| » Defeated Astros (11-15), 7-1 | Shea Stadium (10-7) | 13-13 | Won 3 |
| » W: Frank Viola (6-0) L: Jim Clancy (1-2) S: Wally Whitehurst (1) | Fourth | 4½ out |
| Tuesday, May 8 |
| » Defeated Giants (9-18), 4-1 | Shea Stadium (11-7) | 14-13 | Won 4 |
| » W: Sid Fernandez (2-3) L: Rick Reuschel (2-3) S: John Franco (7) | Fourth | 4½ out |
| Wednesday, May 9 |
| » Lost to Giants (10-18), 4-2 | Shea Stadium (11-8) | 14-14 | |
| » W: Bob Knepper (1-1) L: Bob Ojeda (0-1) S: Steve Bedrosian (4) | Fourth | 5½ out |
| Friday, May 11 |
| » Defeated Dodgers (14-16), 9-4 | Shea Stadium (12-8) | 15-14 | |
| » W: Dwight Gooden (2-3) L: Mike Morgan (4-2) | Fourth | 5 out |
| Saturday, May 12 |
| » Defeated Dodgers (14-17), 7-0 | Shea Stadium (13-8) | 16-14 | Won 2 |
| » W: Frank Viola (7-0) L: John Wetteland (1-3) | Fourth | 5 out |
| Monday, May 14 |
| » Lost to Giants (12-20), 4-2 | Candlestick Park (0-1) | 16-15 | |
| » W: Bob Knepper (2-1) L: Sid Fernandez (2-4) S: Steve Bedrosian (5) | Fourth | 5½ out |
| Tuesday, May 15 |
| » Lost to Giants (13-20), 6-5 | Candlestick Park (0-2) | 16-16 | Lost 2 |
| » W: Mark Thurmond (1-0) L: Bob Ojeda (0-2) S: Steve Bedrosian (6) | Fourth | 5½ out |
| Wednesday, May 16 |
| » Lost to Giants (14-20), 4-3 | Candlestick Park (0-3) | 16-17 | Lost 3 |
| » W: Jeff Brantley (1-1) L: Alejandro Pena (1-1) | Fourth | 6 out |
| Friday, May 18 |
| » Lost to Padres (17-18), 6-3 | San Diego/Jack Murphy Stadium (0-1) | 16-18 | Lost 4 |
| » W: Bruce Hurst (3-4) L: Frank Viola (7-1) S: Craig Lefferts (4) | Fourth | 6½ out |
| » Major-league debuts: Todd Hundley (Mets) |
| Saturday, May 19 |
| » Defeated Padres (17-19), 6-4 | San Diego/Jack Murphy Stadium (1-1) | 17-18 | |
| » W: David Cone (1-2) L: Andy Benes (3-4) S: John Franco (8) | Fourth | 5½ out |
| Sunday, May 20 |
| » Lost to Padres (18-19), 3-1 | San Diego/Jack Murphy Stadium (1-2) | 17-19 | |
| » W: Greg Harris (3-0) L: Ron Darling (1-4) S: Craig Lefferts (5) | Fifth | 5½ out |
| Monday, May 21 |
| » Defeated Dodgers (19-19), 12-3 | Dodger Stadium (1-0) | 18-19 | |
| » W: Dwight Gooden (3-3) L: Mike Morgan (5-3) S: Wally Whitehurst (2) | Fourth | 4½ out |
| Tuesday, May 22 |
| » Defeated Dodgers (19-20), 8-3 | Dodger Stadium (2-0) | 19-19 | Won 2 |
| » W: Bob Ojeda (1-2) L: Tim Crews (0-1) S: Alejandro Pena (2) | Fourth | 4½ out |
| Thursday, May 24 |
| » Lost to Padres (19-21), 5-4 | Shea Stadium (13-9) | 19-20 | |
| » W: Andy Benes (4-4) L: Frank Viola (7-2) S: Craig Lefferts (6) | Fourth | 4½ out |
| Friday, May 25 |
| » Lost to Padres (20-21), 5-4 | Shea Stadium (13-10) | 19-21 | Lost 2 |
| » W: Dennis Rasmussen (4-2) L: David Cone (1-3) S: Craig Lefferts (7) | Fourth | 5 out |
| Saturday, May 26 |
| » Defeated Padres (20-22), 11-0 | Shea Stadium (14-10) | 20-21 | |
| » W: Sid Fernandez (3-4) L: Mike Dunne (0-1) | Fourth | 4½ out |
| Sunday, May 27 |
| » Lost to Padres (21-22), 8-4 | Shea Stadium (14-11) | 20-22 | |
| » W: Ed Whitson (4-3) L: Dwight Gooden (3-4) S: Craig Lefferts (8) | Fourth | 5½ out |
| Tuesday, May 29 |
| » Lost to Reds (30-11), 2-1 | Riverfront Stadium (0-1) | 20-23 | Lost 2 |
| » Manager: Bud Harrelson |
| » W: Tom Browning (4-4) L: Bob Ojeda (1-3) S: Randy Myers (10) | Fourth | 7 out |
| Wednesday, May 30 |
| » Major-league debuts: Jim Vatcher (Phillies) |
| Friday, June 1 |
| » Defeated Phillies (24-21), 4-0 | Veteran's Stadium (1-0) | 21-23 | |
| » W: Frank Viola (8-2) L: Dennis Cook (5-1) | Fourth | 6½ out |
| Saturday, June 2 |
| » Lost to Phillies (25-21), 5-4 | Veteran's Stadium (1-1) | 21-24 | |
| » W: Ken Howell (6-3) L: Dwight Gooden (3-5) S: Roger McDowell (13) | Fourth | 7½ out |
| Sunday, June 3 |
| » Lost to Phillies (26-21), 8-3 | Veteran's Stadium (1-2) | 21-25 | Lost 2 |
| » W: Pat Combs (3-5) L: Sid Fernandez (3-5) | Fourth | 7½ out |
| » Major-league debuts: Dave Liddell (Mets) |
| Monday, June 4 |
| » Lost to Expos (28-22), 5-3 | Shea Stadium (14-12) | 21-26 | Lost 3 |
| » W: Bill Sampen (4-0) L: David Cone (1-4) S: Dave Schmidt (2) | Fifth | 8½ out |
| Tuesday, June 5 |
| » Defeated Expos (28-23), 6-5 | Shea Stadium (15-12) | 22-26 | |
| » W: John Franco (2-0) L: Dale Mohorcic (0-1) | Fourth | 8½ out |
| Wednesday, June 6 |
| » Defeated Expos (28-24), 4-3 | Shea Stadium (16-12) | 23-26 | Won 2 |
| » W: Frank Viola (9-2) L: Kevin Gross (7-4) S: John Franco (9) | Fourth | 8½ out |
| Thursday, June 7 |
| » Lost to Pirates (34-19), 5-4 | Shea Stadium (16-13) | 23-27 | |
| » W: Scott Ruskin (1-1) L: Jeff Musselman (0-1) S: Bob Kipper (1) | Fourth | 9½ out |
| Friday, June 8 |
| » Defeated Pirates (34-20), 7-1 | Shea Stadium (17-13) | 24-27 | |
| » W: Sid Fernandez (4-5) L: Bob Walk (4-4) | Fourth | 8½ out |
| Saturday, June 9 |
| » Defeated Pirates (34-21), 9-3 | Shea Stadium (18-13) | 25-27 | Won 2 |
| » W: David Cone (2-4) L: Bob Patterson (4-2) | Fourth | 7½ out |
| Sunday, June 10 |
| » Defeated Pirates (34-22), 8-3 | Shea Stadium (19-13) | 26-27 | Won 3 |
| » W: Bob Ojeda (2-3) L: Walt Terrell (2-5) | Fourth | 6½ out |
| Monday, June 11 |
| » Lost to Cubs (26-32), 8-5 | Wrigley Field (1-1) | 26-28 | |
| » W: Mitch Williams (1-5) L: Alejandro Pena (1-2) S: Paul Assenmacher (2) | Fourth | 7½ out |
| Tuesday, June 12 |
| » Defeated Cubs (26-33), 19-8 | Wrigley Field (2-1) | 27-28 | |
| » W: Dwight Gooden (4-5) L: Mike Bielecki (3-5) | Fourth | 7½ out |
| Wednesday, June 13 |
| » Defeated Cubs (26-34), 15-10 | Wrigley Field (3-1) | 28-28 | Won 2 |
| » W: John Franco (3-0) L: Les Lancaster (5-3) | Third | 7 out |
| » Defeated Cubs (26-35), 9-6 | Wrigley Field (4-1) | 29-28 | Won 3 |
| » W: Ron Darling (2-4) L: Mike Harkey (5-2) | Third | 7 out |
| Friday, June 15 |
| » Defeated Pirates (37-23), 7-5 | Three Rivers Stadium (1-0) | 30-28 | Won 4 |
| » W: Bob Ojeda (3-3) L: Walt Terrell (2-6) S: John Franco (10) | Fourth | 6 out |
| Saturday, June 16 |
| » Lost to Pirates (38-23), 11-6 | Three Rivers Stadium (1-1) | 30-29 | |
| » W: Bob Kipper (1-1) L: Frank Viola (9-3) | Fourth | 7 out |
| Sunday, June 17 |
| » Defeated Pirates (38-24), 4-3 | Three Rivers Stadium (2-1) | 31-29 | |
| » W: Dwight Gooden (5-5) L: Neal Heaton (9-2) S: John Franco (11) | Third | 6 out |
| Tuesday, June 19 |
| » Defeated Cardinals (27-38), 6-0 | Shea Stadium (20-13) | 32-29 | Won 2 |
| » W: David Cone (3-4) L: John Tudor (5-3) | Third | 5 out |
| Wednesday, June 20 |
| » Defeated Cardinals (27-39), 6-3 | Shea Stadium (21-13) | 33-29 | Won 3 |
| » W: Sid Fernandez (5-5) L: Bryn Smith (6-6) S: John Franco (12) | Third | 4 out |
| Friday, June 22 |
| » Defeated Phillies (34-31), 5-1 | Shea Stadium (22-13) | 34-29 | Won 4 |
| » W: Frank Viola (10-3) L: Ken Howell (8-4) | Third | 3 out |
| Saturday, June 23 |
| » Defeated Phillies (34-32), 3-0 | Shea Stadium (23-13) | 35-29 | Won 5 |
| » W: Dwight Gooden (6-5) L: Pat Combs (3-6) | Third | 2½ out |
| Sunday, June 24 |
| » Defeated Phillies (34-33), 6-5 | Shea Stadium (24-13) | 36-29 | Won 6 |
| » W: Jeff Innis (1-1) L: Roger McDowell (2-3) | Third | 2 out |
| Monday, June 25 |
| » Defeated Cardinals (29-41), 3-2 | Busch Stadium II (1-0) | 37-29 | Won 7 |
| » W: David Cone (4-4) L: Lee Smith (3-3) S: John Franco (13) | Third | 2 out |
| Tuesday, June 26 |
| » Defeated Cardinals (29-42), 8-6 | Busch Stadium II (2-0) | 38-29 | Won 8 |
| » W: Alejandro Pena (2-2) L: Ken Dayley (1-2) | Third | 2 out |
| Wednesday, June 27 |
| » Defeated Cardinals (29-43), 5-2 | Busch Stadium II (3-0) | 39-29 | Won 9 |
| » W: Frank Viola (11-3) L: Joe Magrane (4-10) | Third | 2 out |
| Thursday, June 28 |
| » Defeated Reds (45-25), 5-4 | Shea Stadium (25-13) | 40-29 | Won 10 |
| » W: Dwight Gooden (7-5) L: Jose Rijo (5-3) S: John Franco (14) | Second | 1 out |
| Friday, June 29 |
| » Defeated Reds (45-26), 4-2 | Shea Stadium (26-13) | 41-29 | Won 11 |
| » W: Bob Ojeda (4-3) L: Rick Mahler (2-3) S: Jeff Innis (1) | First | -- |
| Saturday, June 30 |
| » Lost to Reds (46-26), 7-4 | Shea Stadium (26-14) | 41-30 | |
| » W: Norm Charlton (6-1) L: Jeff Musselman (0-2) S: Randy Myers (15) | Second | 1 out |
| Sunday, July 1 |
| » Defeated Reds (46-27), 3-2 | Shea Stadium (27-14) | 42-30 | |
| » W: John Franco (4-0) L: Norm Charlton (6-2) | Second | 1 out |
| Tuesday, July 3 |
| » Defeated Astros (32-46), 12-0 | Shea Stadium (28-14) | 43-30 | Won 2 |
| » W: Frank Viola (12-3) L: Mark Portugal (2-8) | Second | 1½ out |
| Wednesday, July 4 |
| » Defeated Astros (32-47), 7-4 | Shea Stadium (29-14) | 44-30 | Won 3 |
| » W: Dwight Gooden (8-5) L: Juan Agosto (4-2) S: John Franco (15) | Second | 1½ out |
| Thursday, July 5 |
| » Defeated Braves (32-45), 9-8 | Atlanta-Fulton County Stadium (1-2) | 45-30 | Won 4 |
| » W: Wally Whitehurst (1-0) L: Joe Hesketh (1-2) S: John Franco (16) | Second | 1½ out |
| Friday, July 6 |
| » Defeated Braves (32-46), 10-7 | Atlanta-Fulton County Stadium (2-2) | 46-30 | Won 5 |
| » W: David Cone (5-4) L: Steve Avery (1-3) | Second | 1½ out |
| Saturday, July 7 |
| » Lost to Braves (33-46), 4-3 | Atlanta-Fulton County Stadium (2-3) | 46-31 | |
| » W: Kent Mercker (1-0) L: Jeff Innis (1-2) | Second | 1½ out |
| Sunday, July 8 |
| » Defeated Braves (33-47), 2-1 | Atlanta-Fulton County Stadium (3-3) | 47-31 | |
| » W: Frank Viola (13-3) L: Marty Clary (1-5) S: John Franco (17) | Second | 1½ out |
| Thursday, July 12 |
| » Defeated Reds (50-30), 10-3 | Riverfront Stadium (1-1) | 48-31 | Won 2 |
| » W: Dwight Gooden (9-5) L: Norm Charlton (6-4) | Second | 1 out |
| » Lost to Reds (51-30), 3-2 | Riverfront Stadium (1-2) | 48-32 | |
| » W: Danny Jackson (4-2) L: Ron Darling (2-5) S: Randy Myers (18) | Second | 1 out |
| Friday, July 13 |
| » Lost to Reds (52-30), 4-2 | Riverfront Stadium (1-3) | 48-33 | Lost 2 |
| » W: Tom Browning (9-5) L: Frank Viola (13-4) S: Randy Myers (19) | Second | 2 out |
| Saturday, July 14 |
| » Defeated Reds (52-31), 6-3 | Riverfront Stadium (2-3) | 49-33 | |
| » W: David Cone (6-4) L: Jack Armstrong (11-4) S: John Franco (18) | Second | 2 out |
| Sunday, July 15 |
| » Lost to Reds (53-31), 2-1 | Riverfront Stadium (2-4) | 49-34 | |
| » W: Norm Charlton (7-4) L: Sid Fernandez (5-6) S: Randy Myers (20) | Second | 2 out |
| Monday, July 16 |
| » Lost to Astros (36-52), 4-1 | Astrodome (1-3) | 49-35 | Lost 2 |
| » W: Mark Portugal (4-8) L: Bob Ojeda (4-4) S: Larry Andersen (3) | Second | 2 out |
| Tuesday, July 17 |
| » Defeated Astros (36-53), 6-2 | Astrodome (2-3) | 50-35 | |
| » W: Dwight Gooden (10-5) L: Bill Gullickson (6-7) S: John Franco (19) | Second | 1 out |
| Wednesday, July 18 |
| » Lost to Astros (37-53), 1-0 | Astrodome (2-4) | 50-36 | |
| » W: Mike Scott (7-9) L: Alejandro Pena (2-3) | Second | 2 out |
| Thursday, July 19 |
| » Defeated Braves (35-53), 6-2 | Shea Stadium (30-14) | 51-36 | |
| » W: David Cone (7-4) L: Charlie Leibrandt (3-3) S: John Franco (20) | Second | 1½ out |
| Friday, July 20 |
| » Defeated Braves (35-54), 6-1 | Shea Stadium (31-14) | 52-36 | Won 2 |
| » W: Sid Fernandez (6-6) L: Steve Avery (1-4) S: Alejandro Pena (3) | Second | 1½ out |
| Saturday, July 21 |
| » Defeated Braves (35-55), 4-2 | Shea Stadium (32-14) | 53-36 | Won 3 |
| » W: Ron Darling (3-5) L: Marty Clary (1-7) S: John Franco (21) | Second | ½ out |
| Sunday, July 22 |
| » Lost to Braves (36-55), 3-2 | Shea Stadium (32-15) | 53-37 | |
| » W: Kent Mercker (3-1) L: Jeff Innis (1-3) | Second | 1½ out |
| Monday, July 23 |
| » Lost to Phillies (46-46), 7-4 | Veteran's Stadium (1-3) | 53-38 | Lost 2 |
| » W: Darrel Akerfelds (4-0) L: Frank Viola (13-5) S: Roger McDowell (15) | Second | 1½ out |
| Tuesday, July 24 |
| » Defeated Phillies (46-47), 7-4 | Veteran's Stadium (2-3) | 54-38 | |
| » W: Julio Machado (3-1) L: Roger McDowell (3-4) S: John Franco (22) | Second | 1½ out |
| Wednesday, July 25 |
| » Defeated Phillies (46-48), 10-9 | Veteran's Stadium (3-3) | 55-38 | Won 2 |
| » W: Sid Fernandez (7-6) L: Jeff Parrett (3-9) S: John Franco (23) | Second | ½ out |
| Thursday, July 26 |
| » Defeated Cardinals (43-55), 6-1 | Shea Stadium (33-15) | 56-38 | Won 3 |
| » W: Ron Darling (4-5) L: Bob Tewksbury (5-3) | First | -- |
| » Lost to Cardinals (44-55), 3-1 | Shea Stadium (33-16) | 56-39 | |
| » W: Ken Hill (1-0) L: Bob Ojeda (4-5) S: Lee Smith (19) | First | -- |
| Friday, July 27 |
| » Defeated Cardinals (44-56), 10-1 | Shea Stadium (34-16) | 57-39 | |
| » W: Frank Viola (14-5) L: Bryn Smith (7-8) | First | -- |
| Saturday, July 28 |
| » Lost to Cardinals (45-56), 1-0 | Shea Stadium (34-17) | 57-40 | |
| » W: Joe Magrane (6-12) L: David Cone (7-5) S: Lee Smith (20) | First | -- |
| Sunday, July 29 |
| » Defeated Cardinals (45-57), 6-0 | Shea Stadium (35-17) | 58-40 | |
| » W: Dwight Gooden (11-5) L: Jose DeLeon (6-11) | First | -- |
| Tuesday, July 31 |
| » Lost to Expos (55-48), 7-4 | Stade Olympique (1-3) | 58-41 | |
| » W: Oil Can Boyd (6-3) L: Sid Fernandez (7-7) S: Tim Burke (13) | First | -- |
| Wednesday, August 1 |
| » Defeated Expos (55-49), 6-4 | Stade Olympique (2-3) | 59-41 | |
| » W: Bob Ojeda (5-5) L: Bill Sampen (8-4) | First | -- |
| » Major-league debuts: Mel Rojas (Expos) |
| Thursday, August 2 |
| » Defeated Expos (55-50), 5-1 | Stade Olympique (3-3) | 60-41 | Won 2 |
| » W: Frank Viola (15-5) L: Dennis Martinez (7-8) | First | -- |
| Friday, August 3 |
| » Defeated Cardinals (47-59), 5-4 | Busch Stadium II (4-0) | 61-41 | Won 3 |
| » W: Julio Machado (4-1) L: Lee Smith (5-4) S: John Franco (24) | First | -- |
| Saturday, August 4 |
| » Lost to Cardinals (48-59), 7-5 | Busch Stadium II (4-1) | 61-42 | |
| » W: Ken Hill (2-1) L: Dwight Gooden (11-6) S: Frank DiPino (3) | First | -- |
| Sunday, August 5 |
| » Lost to Cardinals (49-59), 8-3 | Busch Stadium II (4-2) | 61-43 | Lost 2 |
| » W: John Tudor (11-3) L: Sid Fernandez (7-8) | First | -- |
| Monday, August 6 |
| » Lost to Cardinals (50-59), 5-1 | Busch Stadium II (4-3) | 61-44 | Lost 3 |
| » W: Joe Magrane (7-12) L: Ron Darling (4-6) S: Lee Smith (23) | Second | 1½ out |
| Tuesday, August 7 |
| » Lost to Phillies (52-55), 9-0 | Shea Stadium (35-18) | 61-45 | Lost 4 |
| » W: Jose DeJesus (3-3) L: Frank Viola (15-6) | Second | 2½ out |
| Wednesday, August 8 |
| » Defeated Phillies (52-56), 8-4 | Shea Stadium (36-18) | 62-45 | |
| » W: David Cone (8-5) L: Don Carman (5-1) | Second | 1½ out |
| Thursday, August 9 |
| » Defeated Phillies (52-57), 5-4 | Shea Stadium (37-18) | 63-45 | Won 2 |
| » W: Bob Ojeda (6-5) L: Darrel Akerfelds (4-1) S: John Franco (25) | Second | ½ out |
| Friday, August 10 |
| » Defeated Cubs (53-59), 5-1 | Shea Stadium (38-18) | 64-45 | Won 3 |
| » W: Sid Fernandez (8-8) L: Greg Maddux (9-10) | First | -- |
| Saturday, August 11 |
| » Lost to Cubs (54-59), 6-3 | Shea Stadium (38-19) | 64-46 | |
| » W: Steve Wilson (4-7) L: Ron Darling (4-7) S: Paul Assenmacher (4) | First | -- |
| Sunday, August 12 |
| » Lost to Cubs (55-59), 10-2 | Shea Stadium (38-20) | 64-47 | Lost 2 |
| » W: Mike Harkey (11-5) L: Frank Viola (15-7) | First | -- |
| Monday, August 13 |
| » Major-league debuts: Dave Walsh (Dodgers) |
| Tuesday, August 14 |
| » Defeated Dodgers (58-56), 9-8 | Shea Stadium (39-20) | 65-47 | |
| » W: Dwight Gooden (12-6) L: Ramon Martinez (15-5) S: John Franco (26) | Second | ½ out |
| » Lost to Dodgers (59-56), 2-1 | Shea Stadium (39-21) | 65-48 | |
| » W: Mike Hartley (4-1) L: David Cone (8-6) S: Jay Howell (9) | Second | ½ out |
| Wednesday, August 15 |
| » Lost to Dodgers (60-56), 3-2 | Shea Stadium (39-22) | 65-49 | Lost 2 |
| » W: Mike Morgan (10-11) L: Sid Fernandez (8-9) S: Jay Howell (10) | Second | ½ out |
| Thursday, August 16 |
| » Defeated Dodgers (60-57), 4-1 | Shea Stadium (40-22) | 66-49 | |
| » W: Ron Darling (5-7) L: Tim Belcher (9-9) S: John Franco (27) | Second | ½ out |
| Friday, August 17 |
| » Lost to Giants (61-57), 3-2 | Candlestick Park (0-4) | 66-50 | |
| » W: Scott Garrelts (10-9) L: Frank Viola (15-8) S: Steve Bedrosian (8) | Second | 2 out |
| Saturday, August 18 |
| » Defeated Giants (61-58), 9-2 | Candlestick Park (1-4) | 67-50 | |
| » W: David Cone (9-6) L: Trevor Wilson (8-5) | Second | 2 out |
| Sunday, August 19 |
| » Defeated Giants (61-59), 10-9 | Candlestick Park (2-4) | 68-50 | Won 2 |
| » W: Dwight Gooden (13-6) L: Mike LaCoss (3-2) S: John Franco (28) | Second | 2 out |
| Monday, August 20 |
| » Lost to Padres (57-63), 3-1 | San Diego/Jack Murphy Stadium (1-3) | 68-51 | |
| » W: Bruce Hurst (8-8) L: Sid Fernandez (8-10) S: Craig Lefferts (20) | Second | 3 out |
| Tuesday, August 21 |
| » Lost to Padres (58-63), 7-0 | San Diego/Jack Murphy Stadium (1-4) | 68-52 | Lost 2 |
| » W: Ed Whitson (10-7) L: Ron Darling (5-8) | Second | 3 out |
| Wednesday, August 22 |
| » Defeated Padres (58-64), 4-1 | San Diego/Jack Murphy Stadium (2-4) | 69-52 | |
| » W: Frank Viola (16-8) L: Calvin Schiraldi (3-6) S: John Franco (29) | Second | 3 out |
| Thursday, August 23 |
| » Lost to Dodgers (65-59), 4-2 | Dodger Stadium (2-1) | 69-53 | |
| » W: Fernando Valenzuela (11-10) L: David Cone (9-7) S: Jay Howell (12) | Second | 4 out |
| Friday, August 24 |
| » Defeated Dodgers (65-60), 3-2 | Dodger Stadium (3-1) | 70-53 | |
| » W: Dwight Gooden (14-6) L: Jim Gott (2-3) S: John Franco (30) | Second | 3 out |
| Saturday, August 25 |
| » Lost to Dodgers (66-60), 3-2 | Dodger Stadium (3-2) | 70-54 | |
| » W: Don Aase (3-1) L: Ron Darling (5-9) | Second | 3 out |
| Sunday, August 26 |
| » Lost to Dodgers (67-60), 2-1 | Dodger Stadium (3-3) | 70-55 | Lost 2 |
| » W: Mike Hartley (5-1) L: Frank Viola (16-9) S: Jay Howell (13) | Second | 3 out |
| Tuesday, August 28 |
| » Defeated Padres (60-67), 4-0 | Shea Stadium (41-22) | 71-55 | |
| » W: David Cone (10-7) L: Calvin Schiraldi (3-7) | Second | 2 out |
| Wednesday, August 29 |
| » Defeated Padres (60-68), 2-1 | Shea Stadium (42-22) | 72-55 | Won 2 |
| » W: Bob Ojeda (7-5) L: Greg Harris (7-6) | Second | 2 out |
| Thursday, August 30 |
| » Defeated Giants (67-63), 12-2 | Shea Stadium (43-22) | 73-55 | Won 3 |
| » W: Sid Fernandez (9-10) L: Mike LaCoss (4-3) | Second | 1½ out |
| Friday, August 31 |
| » Defeated Giants (67-64), 4-3 | Shea Stadium (44-22) | 74-55 | Won 4 |
| » W: Frank Viola (17-9) L: Steve Bedrosian (6-8) | Second | ½ out |
| Saturday, September 1 |
| » Defeated Giants (67-65), 6-5 | Shea Stadium (45-22) | 75-55 | Won 5 |
| » W: Julio Valera (1-0) L: John Burkett (11-6) S: John Franco (31) | First | -- |
| Sunday, September 2 |
| » Defeated Giants (67-66), 10-6 | Shea Stadium (46-22) | 76-55 | Won 6 |
| » W: David Cone (11-7) L: Paul McClellan (0-1) S: Alejandro Pena (4) | First | -- |
| » Major-league debuts: Paul McClellan (Giants) |
| Monday, September 3 |
| » Defeated Cardinals (60-74), 9-3 | Busch Stadium II (5-3) | 77-55 | Won 7 |
| » W: Dwight Gooden (15-6) L: Bob Tewksbury (9-5) | First | -- |
| » Major-league debuts: Kevin Baez (Mets) |
| Tuesday, September 4 |
| » Lost to Cardinals (61-74), 1-0 | Busch Stadium II (5-4) | 77-56 | |
| » W: Joe Magrane (9-15) L: Sid Fernandez (9-11) S: Lee Smith (27) | Second | ½ out |
| » Major-league debuts: Bernard Gilkey (Cardinals) |
| Wednesday, September 5 |
| » Lost to Pirates (79-56), 1-0 | Three Rivers Stadium (2-2) | 77-57 | Lost 2 |
| » W: Zane Smith (10-7) L: John Franco (4-1) | Second | 2½ out |
| » Lost to Pirates (80-56), 3-1 | Three Rivers Stadium (2-3) | 77-58 | Lost 3 |
| » W: Neal Heaton (12-8) L: Bob Ojeda (7-6) S: Ted Power (7) | Second | 2½ out |
| Thursday, September 6 |
| » Lost to Pirates (81-56), 7-1 | Three Rivers Stadium (2-4) | 77-59 | Lost 4 |
| » W: Randy Tomlin (2-2) L: Julio Valera (1-1) | Second | 3½ out |
| Friday, September 7 |
| » Lost to Phillies (64-73), 4-1 | Veteran's Stadium (3-4) | 77-60 | Lost 5 |
| » W: Jose DeJesus (5-6) L: David Cone (11-8) | Second | 3½ out |
| Saturday, September 8 |
| » Defeated Phillies (64-74), 12-2 | Veteran's Stadium (4-4) | 78-60 | |
| » W: Dwight Gooden (16-6) L: Bruce Ruffin (6-13) | Second | 3½ out |
| Sunday, September 9 |
| » Lost to Phillies (65-74), 6-2 | Veteran's Stadium (4-5) | 78-61 | |
| » W: Pat Combs (7-9) L: Sid Fernandez (9-12) S: Joe Boever (12) | Second | 3½ out |
| Monday, September 10 |
| » Defeated Cardinals (64-77), 10-1 | Shea Stadium (47-22) | 79-61 | |
| » W: Frank Viola (18-9) L: Jose DeLeon (7-16) | Second | 3½ out |
| Tuesday, September 11 |
| » Defeated Cardinals (64-78), 10-8 | Shea Stadium (48-22) | 80-61 | Won 2 |
| » W: John Franco (5-1) L: Lee Smith (5-5) | Second | 3½ out |
| Wednesday, September 12 |
| » Defeated Pirates (84-59), 2-1 | Shea Stadium (49-22) | 81-61 | Won 3 |
| » W: David Cone (12-8) L: John Smiley (8-9) | Second | 2½ out |
| Thursday, September 13 |
| » Defeated Pirates (84-60), 6-3 | Shea Stadium (50-22) | 82-61 | Won 4 |
| » W: Dwight Gooden (17-6) L: Doug Drabek (19-6) S: John Franco (32) | Second | 1½ out |
| Friday, September 14 |
| » Lost to Phillies (66-78), 4-1 | Shea Stadium (50-23) | 82-62 | |
| » W: Pat Combs (8-9) L: Sid Fernandez (9-13) | Second | 1½ out |
| Saturday, September 15 |
| » Defeated Phillies (66-79), 4-2 | Shea Stadium (51-23) | 83-62 | |
| » W: Frank Viola (19-9) L: Terry Mulholland (8-9) S: John Franco (33) | Second | ½ out |
| Sunday, September 16 |
| » Lost to Phillies (67-79), 8-3 | Shea Stadium (51-24) | 83-63 | |
| » W: Jose DeJesus (6-7) L: David Cone (12-9) | Second | ½ out |
| Monday, September 17 |
| » Major-league debuts: Randy Hennis (Astros) |
| Tuesday, September 18 |
| » Lost to Expos (79-68), 4-3 | Shea Stadium (51-25) | 83-64 | Lost 2 |
| » W: Tim Burke (2-3) L: John Franco (5-2) | Second | ½ out |
| Thursday, September 20 |
| » Lost to Expos (80-68), 6-4 | Shea Stadium (51-26) | 83-65 | Lost 3 |
| » W: Mel Rojas (3-1) L: Frank Viola (19-10) S: Tim Burke (20) | Second | 2½ out |
| » Lost to Expos (81-68), 2-0 | Shea Stadium (51-27) | 83-66 | Lost 4 |
| » W: Chris Nabholz (6-0) L: Sid Fernandez (9-14) | Second | 2½ out |
| Friday, September 21 |
| » Lost to Cubs (72-78), 4-3 | Wrigley Field (4-2) | 83-67 | Lost 5 |
| » W: Paul Assenmacher (6-2) L: David Cone (12-10) | Second | 3½ out |
| Saturday, September 22 |
| » Defeated Cubs (72-79), 11-5 | Wrigley Field (5-2) | 84-67 |