| Monday, April 3 |
| » Defeated Cardinals (0-1), 8-4 | Shea Stadium (1-0) | 1-0 | |
| » W: Dwight Gooden (1-0) L: Joe Magrane (0-1) S: Don Aase (1) | First | -- |
| Wednesday, April 5 |
| » Lost to Cardinals (1-1), 3-1 | Shea Stadium (1-1) | 1-1 | |
| » W: Jose DeLeon (1-0) L: Bob Ojeda (0-1) S: Todd Worrell (1) | First | -- |
| Friday, April 7 |
| » Lost to Expos (3-1), 7-3 | Stade Olympique (0-1) | 1-2 | Lost 2 |
| » W: Kevin Gross (1-0) L: Ron Darling (0-1) | Fifth | 1½ out |
| Saturday, April 8 |
| » Lost to Expos (4-1), 3-2 | Stade Olympique (0-2) | 1-3 | Lost 3 |
| » W: Gene Harris (1-0) L: David Cone (0-1) S: Tim Burke (1) | Fifth | 2½ out |
| Sunday, April 9 |
| » Defeated Expos (4-2), 2-1 | Stade Olympique (1-2) | 2-3 | |
| » W: Dwight Gooden (2-0) L: Andy McGaffigan (1-1) S: Randy Myers (1) | Fourth | 1½ out |
| Tuesday, April 11 |
| » Lost to Pirates (2-5), 4-3 | Three Rivers Stadium (0-1) | 2-4 | |
| » W: Jeff Robinson (1-1) L: Randy Myers (0-1) | Fourth | 2½ out |
| Thursday, April 13 |
| » Lost to Pirates (3-5), 4-2 | Three Rivers Stadium (0-2) | 2-5 | Lost 2 |
| » W: John Smiley (1-1) L: Ron Darling (0-2) S: Jeff Robinson (1) | Fifth | 3½ out |
| Friday, April 14 |
| » Defeated Cardinals (2-5), 9-4 | Busch Stadium II (1-0) | 3-5 | |
| » W: David Cone (1-1) L: Joe Magrane (1-2) | Fourth | 3½ out |
| Saturday, April 15 |
| » Lost to Cardinals (3-5), 3-2 | Busch Stadium II (1-1) | 3-6 | |
| » W: Dan Quisenberry (1-0) L: Don Aase (0-1) | Sixth | 4 out |
| Sunday, April 16 |
| » Lost to Cardinals (4-5), 5-3 | Busch Stadium II (1-2) | 3-7 | Lost 2 |
| » W: Jose DeLeon (2-1) L: Bob Ojeda (0-2) | Sixth | 5 out |
| Monday, April 17 |
| » Defeated Phillies (6-5), 5-2 | Shea Stadium (2-1) | 4-7 | |
| » W: Sid Fernandez (1-0) L: Don Carman (1-1) S: Randy Myers (2) | Fifth | 4 out |
| Tuesday, April 18 |
| » Lost to Phillies (7-5), 7-1 | Shea Stadium (2-2) | 4-8 | |
| » W: Larry McWilliams (1-0) L: Ron Darling (0-3) | Sixth | 4 out |
| Wednesday, April 19 |
| » Defeated Phillies (7-6), 4-2 | Shea Stadium (3-2) | 5-8 | |
| » W: Randy Myers (1-1) L: Steve Bedrosian (1-1) | Sixth | 3 out |
| Thursday, April 20 |
| » Defeated Cubs (8-6), 4-3 | Shea Stadium (4-2) | 6-8 | Won 2 |
| » W: Dwight Gooden (3-0) L: Mitch Williams (0-1) S: Roger McDowell (1) | Fourth | 2 out |
| Friday, April 21 |
| » Lost to Cubs (9-6), 8-4 | Shea Stadium (4-3) | 6-9 | |
| » W: Rick Sutcliffe (4-0) L: Bob Ojeda (0-3) S: Steve Wilson (1) | Fourth | 3 out |
| Saturday, April 22 |
| » Defeated Cubs (9-7), 3-1 | Shea Stadium (5-3) | 7-9 | |
| » W: Sid Fernandez (2-0) L: Greg Maddux (0-3) S: Roger McDowell (2) | Fourth | 2 out |
| Sunday, April 23 |
| » Defeated Cubs (9-8), 4-2 | Shea Stadium (6-3) | 8-9 | Won 2 |
| » W: Rick Aguilera (1-0) L: Calvin Schiraldi (1-1) | Fourth | 1 out |
| Tuesday, April 25 |
| » Defeated Braves (10-11), 2-1 | Shea Stadium (7-3) | 9-9 | Won 3 |
| » W: David Cone (2-1) L: Zane Smith (0-3) S: Randy Myers (3) | Second | ½ out |
| Wednesday, April 26 |
| » Defeated Braves (10-12), 6-1 | Shea Stadium (8-3) | 10-9 | Won 4 |
| » W: Dwight Gooden (4-0) L: Pete Smith (0-3) S: Randy Myers (4) | First | -- |
| Friday, April 28 |
| » Defeated Astros (10-13), 7-3 | Astrodome (1-0) | 11-9 | Won 5 |
| » W: Sid Fernandez (3-0) L: Rick Rhoden (0-2) S: Roger McDowell (3) | First | -- |
| Saturday, April 29 |
| » Defeated Astros (10-14), 5-1 | Astrodome (2-0) | 12-9 | Won 6 |
| » W: Ron Darling (1-3) L: Bob Knepper (1-4) S: Randy Myers (5) | First | -- |
| Sunday, April 30 |
| » Lost to Astros (11-14), 7-6 | Astrodome (2-1) | 12-10 | |
| » W: Mike Scott (4-1) L: David Cone (2-2) S: Dave Smith (4) | Second | 1 out |
| Monday, May 1 |
| » Defeated Braves (10-16), 3-1 | Atlanta-Fulton County Stadium (1-0) | 13-10 | |
| » W: Dwight Gooden (5-0) L: Zane Smith (0-4) S: Roger McDowell (4) | Second | 1 out |
| Tuesday, May 2 |
| » Defeated Braves (10-17), 7-1 | Atlanta-Fulton County Stadium (2-0) | 14-10 | Won 2 |
| » W: Bob Ojeda (1-3) L: Pete Smith (0-4) | First | -- |
| Wednesday, May 3 |
| » Lost to Reds (15-10), 6-4 | Shea Stadium (8-4) | 14-11 | |
| » W: Jose Rijo (2-0) L: Sid Fernandez (3-1) S: John Franco (9) | First | -- |
| Thursday, May 4 |
| » Defeated Reds (15-11), 3-2 | Shea Stadium (9-4) | 15-11 | |
| » W: Randy Myers (2-1) L: Rob Dibble (3-1) | First | -- |
| Saturday, May 6 |
| » Defeated Astros (13-16), 2-1 | Shea Stadium (10-4) | 16-11 | Won 2 |
| » W: David Cone (3-2) L: Jim Clancy (1-2) | First | -- |
| Sunday, May 7 |
| » Lost to Astros (14-16), 5-0 | Shea Stadium (10-5) | 16-12 | |
| » W: Jim Deshaies (4-2) L: Dwight Gooden (5-1) | First | -- |
| Monday, May 8 |
| » Lost to Reds (17-13), 3-0 | Riverfront Stadium (0-1) | 16-13 | Lost 2 |
| » W: Jose Rijo (3-0) L: Bob Ojeda (1-4) S: John Franco (11) | Second | ½ out |
| Tuesday, May 9 |
| » Defeated Reds (17-14), 3-1 | Riverfront Stadium (1-1) | 17-13 | |
| » W: Sid Fernandez (4-1) L: Danny Jackson (1-6) S: Randy Myers (6) | First | -- |
| Wednesday, May 10 |
| » Defeated Reds (17-15), 11-4 | Riverfront Stadium (2-1) | 18-13 | Won 2 |
| » W: Ron Darling (2-3) L: Tom Browning (3-3) S: Rick Aguilera (1) | First | -- |
| Friday, May 12 |
| » Lost to Padres (18-19), 4-3 | Shea Stadium (10-6) | 18-14 | |
| » W: Mark Davis (1-0) L: Roger McDowell (0-1) | Second | ½ out |
| Saturday, May 13 |
| » Defeated Padres (18-20), 4-3 | Shea Stadium (11-6) | 19-14 | |
| » W: Randy Myers (3-1) L: Greg Harris (0-2) | First | -- |
| Sunday, May 14 |
| » Defeated Padres (18-21), 2-1 | Shea Stadium (12-6) | 20-14 | Won 2 |
| » W: Roger McDowell (1-1) L: Dave Leiper (0-1) | First | -- |
| Monday, May 15 |
| » Lost to Dodgers (17-18), 3-1 | Shea Stadium (12-7) | 20-15 | |
| » W: Ray Searage (2-2) L: Roger McDowell (1-2) S: Jay Howell (4) | First | -- |
| Wednesday, May 17 |
| » Lost to Dodgers (18-18), 4-3 | Shea Stadium (12-8) | 20-16 | Lost 2 |
| » W: Alejandro Pena (2-0) L: Rick Aguilera (1-1) S: Jay Howell (5) | First | -- |
| Thursday, May 18 |
| » Defeated Dodgers (18-19), 5-3 | Shea Stadium (13-8) | 21-16 | |
| » W: Dwight Gooden (6-1) L: Alejandro Pena (2-1) S: Randy Myers (7) | First | -- |
| Friday, May 19 |
| » Defeated Giants (21-19), 3-2 | Shea Stadium (14-8) | 22-16 | Won 2 |
| » W: Randy Myers (4-1) L: Craig Lefferts (1-2) | First | -- |
| Saturday, May 20 |
| » Lost to Giants (22-19), 3-0 | Shea Stadium (14-9) | 22-17 | |
| » W: Mike Krukow (3-1) L: Bob Ojeda (1-5) S: Mike LaCoss (4) | First | -- |
| Sunday, May 21 |
| » Lost to Giants (23-19), 10-6 | Shea Stadium (14-10) | 22-18 | Lost 2 |
| » W: Atlee Hammaker (3-3) L: Roger McDowell (1-3) S: Craig Lefferts (7) | First | -- |
| Tuesday, May 23 |
| » Lost to Padres (24-22), 3-2 | San Diego/Jack Murphy Stadium (0-1) | 22-19 | Lost 3 |
| » W: Eric Show (6-4) L: Dwight Gooden (6-2) S: Mark Davis (14) | Second | 1 out |
| Wednesday, May 24 |
| » Defeated Padres (24-23), 3-0 | San Diego/Jack Murphy Stadium (1-1) | 23-19 | |
| » W: Ron Darling (3-3) L: Bruce Hurst (4-3) S: Rick Aguilera (2) | Second | 1 out |
| Thursday, May 25 |
| » Lost to Padres (25-23), 2-1 | San Diego/Jack Murphy Stadium (1-2) | 23-20 | |
| » W: Ed Whitson (7-2) L: David Cone (3-3) S: Mark Davis (15) | Second | 1½ out |
| Friday, May 26 |
| » Defeated Dodgers (22-22), 8-2 | Dodger Stadium (1-0) | 24-20 | |
| » W: Bob Ojeda (2-5) L: Orel Hershiser (6-4) | Second | ½ out |
| Saturday, May 27 |
| » Lost to Dodgers (23-22), 2-1 | Dodger Stadium (1-1) | 24-21 | |
| » W: Mike Morgan (4-2) L: Sid Fernandez (4-2) S: Jay Howell (9) | Second | 1½ out |
| Sunday, May 28 |
| » Lost to Dodgers (24-22), 4-3 | Dodger Stadium (1-2) | 24-22 | Lost 2 |
| » W: Ray Searage (3-2) L: Roger McDowell (1-4) | Second | 2½ out |
| Monday, May 29 |
| » Lost to Giants (28-21), 3-2 | Candlestick Park (0-1) | 24-23 | Lost 3 |
| » W: Don Robinson (3-4) L: Ron Darling (3-4) S: Craig Lefferts (9) | Third | 2½ out |
| Tuesday, May 30 |
| » Lost to Giants (29-21), 10-3 | Candlestick Park (0-2) | 24-24 | Lost 4 |
| » W: Mike Krukow (4-2) L: David Cone (3-4) | Third | 3½ out |
| Wednesday, May 31 |
| » Defeated Giants (29-22), 3-1 | Candlestick Park (1-2) | 25-24 | |
| » W: Randy Myers (5-1) L: Craig Lefferts (1-3) S: Rick Aguilera (3) | Third | 2½ out |
| Friday, June 2 |
| » Defeated Pirates (21-29), 3-2 | Shea Stadium (15-10) | 26-24 | Won 2 |
| » W: Rick Aguilera (2-1) L: Randy Kramer (1-2) | Third | 2½ out |
| » Major-league debuts: Jeff King (Pirates) |
| Saturday, June 3 |
| » Defeated Pirates (21-30), 9-3 | Shea Stadium (16-10) | 27-24 | Won 3 |
| » W: Ron Darling (4-4) L: Bob Walk (5-4) | Third | 1½ out |
| Sunday, June 4 |
| » Defeated Pirates (21-31), 4-3 | Shea Stadium (17-10) | 28-24 | Won 4 |
| » W: Don Aase (1-1) L: Bob Kipper (0-2) S: Randy Myers (8) | Third | 1½ out |
| Monday, June 5 |
| » Lost to Cubs (31-23), 15-3 | Wrigley Field (0-1) | 28-25 | |
| » W: Greg Maddux (5-5) L: David Cone (3-5) | Third | 2½ out |
| Tuesday, June 6 |
| » Lost to Cubs (32-23), 8-4 | Wrigley Field (0-2) | 28-26 | Lost 2 |
| » W: Paul Kilgus (5-5) L: Bob Ojeda (2-6) | Third | 3½ out |
| » Major-league debuts: Jeff McKnight (Mets) |
| Wednesday, June 7 |
| » Defeated Cubs (32-24), 10-5 | Wrigley Field (1-2) | 29-26 | |
| » W: Dwight Gooden (7-2) L: Rick Sutcliffe (7-4) S: Rick Aguilera (4) | Third | 2½ out |
| Thursday, June 8 |
| » Lost to Cubs (33-24), 5-4 | Wrigley Field (1-3) | 29-27 | |
| » W: Mitch Williams (1-2) L: Don Aase (1-2) | Third | 3½ out |
| Friday, June 9 |
| » Lost to Pirates (22-34), 4-3 | Three Rivers Stadium (0-3) | 29-28 | Lost 2 |
| » W: Bill Landrum (2-1) L: Roger McDowell (1-5) | Third | 3½ out |
| Saturday, June 10 |
| » Lost to Pirates (23-34), 6-5 | Three Rivers Stadium (0-4) | 29-29 | Lost 3 |
| » W: Bob Kipper (1-3) L: Randy Myers (5-2) | Fourth | 3½ out |
| Sunday, June 11 |
| » Defeated Pirates (23-35), 6-1 | Three Rivers Stadium (1-4) | 30-29 | |
| » W: Bob Ojeda (3-6) L: Brian Fisher (0-3) | Fourth | 2½ out |
| Tuesday, June 13 |
| » Lost to Cubs (35-27), 4-2 | Shea Stadium (17-11) | 30-30 | |
| » W: Mike Bielecki (5-2) L: Ron Darling (4-5) S: Mitch Williams (15) | Third | 4 out |
| Wednesday, June 14 |
| » Defeated Cubs (35-28), 2-0 | Shea Stadium (18-11) | 31-30 | |
| » W: Dwight Gooden (8-2) L: Scott Sanderson (6-5) S: Rick Aguilera (5) | Third | 3 out |
| Thursday, June 15 |
| » Defeated Cubs (35-29), 4-3 | Shea Stadium (19-11) | 32-30 | Won 2 |
| » W: Rick Aguilera (3-1) L: Pat Perry (0-1) | Third | 2 out |
| Friday, June 16 |
| » Defeated Phillies (22-40), 15-11 | Veteran's Stadium (1-0) | 33-30 | Won 3 |
| » W: Randy Myers (6-2) L: Steve Bedrosian (2-3) | Third | 1½ out |
| Saturday, June 17 |
| » Defeated Phillies (22-41), 1-0 | Veteran's Stadium (2-0) | 34-30 | Won 4 |
| » W: Bob Ojeda (4-6) L: Larry McWilliams (2-7) | Third | 1 out |
| Sunday, June 18 |
| » Lost to Phillies (23-41), 6-5 | Veteran's Stadium (2-1) | 34-31 | |
| » W: Jeff Parrett (3-2) L: Randy Myers (6-3) | Third | 2 out |
| Monday, June 19 |
| » Defeated Expos (36-33), 5-3 | Shea Stadium (20-11) | 35-31 | |
| » W: Dwight Gooden (9-2) L: Kevin Gross (6-6) S: Rick Aguilera (6) | Second | 1½ out |
| Tuesday, June 20 |
| » Lost to Expos (37-33), 8-5 | Shea Stadium (20-12) | 35-32 | |
| » W: Tim Burke (5-1) L: Rick Aguilera (3-2) | Third | 2½ out |
| Wednesday, June 21 |
| » Defeated Expos (37-34), 2-0 | Shea Stadium (21-12) | 36-32 | |
| » W: David Cone (4-5) L: Bryn Smith (7-3) S: Randy Myers (9) | Second | 2½ out |
| Friday, June 23 |
| » Defeated Phillies (24-44), 9-3 | Shea Stadium (22-12) | 37-32 | Won 2 |
| » W: Bob Ojeda (5-6) L: Ken Howell (6-4) S: Randy Myers (10) | Second | 2 out |
| Saturday, June 24 |
| » Defeated Phillies (24-45), 4-2 | Shea Stadium (23-12) | 38-32 | Won 3 |
| » W: Ron Darling (5-5) L: Floyd Youmans (1-5) S: Randy Myers (11) | Second | 1 out |
| Sunday, June 25 |
| » Defeated Phillies (24-46), 5-1 | Shea Stadium (24-12) | 39-32 | Won 4 |
| » W: Sid Fernandez (5-2) L: Terry Mulholland (0-2) | First | -- |
| Monday, June 26 |
| » Lost to Expos (41-34), 5-1 | Stade Olympique (1-3) | 39-33 | |
| » W: Pascual Perez (4-8) L: Dwight Gooden (9-3) | Second | 1½ out |
| Tuesday, June 27 |
| » Lost to Expos (42-34), 3-2 | Stade Olympique (1-4) | 39-34 | Lost 2 |
| » W: Steve Frey (2-0) L: Rick Aguilera (3-3) | Second | 1½ out |
| Wednesday, June 28 |
| » Lost to Expos (43-34), 4-3 | Stade Olympique (1-5) | 39-35 | Lost 3 |
| » W: Mark Langston (8-7) L: Bob Ojeda (5-7) S: Tim Burke (16) | Second | 2½ out |
| Friday, June 30 |
| » Defeated Reds (41-37), 11-1 | Riverfront Stadium (3-1) | 40-35 | |
| » W: Ron Darling (6-5) L: Rick Mahler (8-8) | Second | 2 out |
| Saturday, July 1 |
| » Lost to Reds (42-37), 6-2 | Riverfront Stadium (3-2) | 40-36 | |
| » W: Jack Armstrong (1-1) L: Dwight Gooden (9-4) S: John Franco (21) | Third | 2 out |
| Sunday, July 2 |
| » Defeated Reds (42-38), 7-2 | Riverfront Stadium (4-2) | 41-36 | |
| » W: Sid Fernandez (6-2) L: Scott Scudder (2-2) | Second | 2 out |
| Monday, July 3 |
| » Defeated Astros (46-36), 3-1 | Astrodome (3-1) | 42-36 | Won 2 |
| » W: David Cone (5-5) L: Jim Deshaies (8-4) S: Randy Myers (12) | Second | 2 out |
| Tuesday, July 4 |
| » Lost to Astros (47-36), 10-3 | Astrodome (3-2) | 42-37 | |
| » W: Mike Scott (14-4) L: Bob Ojeda (5-8) | Second | 2 out |
| » Major-league debuts: Kevin Tapani (Mets) |
| Wednesday, July 5 |
| » Lost to Astros (48-36), 6-5 | Astrodome (3-3) | 42-38 | Lost 2 |
| » W: Danny Darwin (8-2) L: Ron Darling (6-6) S: Dave Smith (17) | Third | 3 out |
| Thursday, July 6 |
| » Lost to Reds (44-40), 10-2 | Shea Stadium (24-13) | 42-39 | Lost 3 |
| » W: Danny Jackson (6-9) L: David West (0-1) S: Kent Tekulve (1) | Fourth | 3½ out |
| Friday, July 7 |
| » Defeated Reds (44-41), 7-1 | Shea Stadium (25-13) | 43-39 | |
| » W: Sid Fernandez (7-2) L: Scott Scudder (2-3) | Fourth | 3½ out |
| Saturday, July 8 |
| » Defeated Reds (44-42), 8-3 | Shea Stadium (26-13) | 44-39 | Won 2 |
| » W: David Cone (6-5) L: Tom Browning (7-7) | Third | 2½ out |
| Sunday, July 9 |
| » Defeated Reds (44-43), 6-3 | Shea Stadium (27-13) | 45-39 | Won 3 |
| » W: Rick Aguilera (4-3) L: Norm Charlton (3-1) | Third | 2½ out |
| Thursday, July 13 |
| » Defeated Braves (36-52), 5-1 | Atlanta-Fulton County Stadium (3-0) | 46-39 | Won 4 |
| » W: Ron Darling (7-6) L: Pete Smith (2-11) | Third | 2½ out |
| Friday, July 14 |
| » Lost to Braves (37-52), 3-2 | Atlanta-Fulton County Stadium (3-1) | 46-40 | |
| » W: Joe Boever (3-3) L: Sid Fernandez (7-3) | Third | 3½ out |
| Saturday, July 15 |
| » Defeated Braves (37-53), 6-4 | Atlanta-Fulton County Stadium (4-1) | 47-40 | |
| » W: Rick Aguilera (5-3) L: Paul Assenmacher (1-3) S: Randy Myers (13) | Second | 2½ out |
| Sunday, July 16 |
| » Lost to Braves (38-53), 6-2 | Atlanta-Fulton County Stadium (4-2) | 47-41 | |
| » W: Marty Clary (3-0) L: Bob Ojeda (5-9) | Second | 3½ out |
| Monday, July 17 |
| » Lost to Astros (52-40), 6-0 | Shea Stadium (27-14) | 47-42 | Lost 2 |
| » W: Jim Deshaies (9-4) L: Ron Darling (7-7) | Fourth | 5 out |
| » Lost to Astros (53-40), 12-3 | Shea Stadium (27-15) | 47-43 | Lost 3 |
| » W: Bob Knepper (4-10) L: David West (0-2) S: Danny Darwin (4) | Fourth | 5 out |
| » Major-league debuts: Wally Whitehurst (Mets) |
| Tuesday, July 18 |
| » Defeated Astros (53-41), 9-0 | Shea Stadium (28-15) | 48-43 | |
| » W: Sid Fernandez (8-3) L: Bob Forsch (2-3) | Third | 4 out |
| Wednesday, July 19 |
| » Defeated Astros (53-42), 8-2 | Shea Stadium (29-15) | 49-43 | Won 2 |
| » W: David Cone (7-5) L: Jim Clancy (5-7) | Third | 3 out |
| Thursday, July 20 |
| » Defeated Braves (40-55), 4-1 | Shea Stadium (30-15) | 50-43 | Won 3 |
| » W: Bob Ojeda (6-9) L: Derek Lilliquist (5-5) S: Rick Aguilera (7) | Third | 3 out |
| Friday, July 21 |
| » Defeated Braves (40-56), 6-4 | Shea Stadium (31-15) | 51-43 | Won 4 |
| » W: Ron Darling (8-7) L: Marty Clary (3-1) S: Randy Myers (14) | Second | 3 out |
| Saturday, July 22 |
| » Defeated Braves (40-57), 7-5 | Shea Stadium (32-15) | 52-43 | Won 5 |
| » W: Rick Aguilera (6-3) L: Jim Acker (0-4) S: Randy Myers (15) | Second | 3 out |
| Sunday, July 23 |
| » Defeated Braves (40-58), 7-2 | Shea Stadium (33-15) | 53-43 | Won 6 |
| » W: David Cone (8-5) L: Sergio Valdez (0-1) | Second | 3 out |
| Tuesday, July 25 |
| » Lost to Pirates (42-55), 4-2 | Shea Stadium (33-16) | 53-44 | |
| » W: Doug Drabek (8-7) L: Rick Aguilera (6-4) S: Bill Landrum (14) | Third | 4½ out |
| Wednesday, July 26 |
| » Lost to Pirates (43-55), 3-2 | Shea Stadium (33-17) | 53-45 | Lost 2 |
| » W: John Smiley (9-5) L: Ron Darling (8-8) | Third | 4½ out |
| Thursday, July 27 |
| » Lost to Pirates (44-55), 10-8 | Shea Stadium (33-18) | 53-46 | Lost 3 |
| » W: Bob Kipper (3-3) L: Don Aase (1-3) S: Bill Landrum (15) | Third | 5 out |
| Friday, July 28 |
| » Lost to Cubs (56-45), 6-5 | Wrigley Field (1-4) | 53-47 | Lost 4 |
| » W: Calvin Schiraldi (3-4) L: Rick Aguilera (6-5) S: Mitch Williams (26) | Fourth | 5 out |
| Saturday, July 29 |
| » Lost to Cubs (57-45), 10-3 | Wrigley Field (1-5) | 53-48 | Lost 5 |
| » W: Greg Maddux (11-8) L: Wally Whitehurst (0-1) | Third | 6 out |
| Sunday, July 30 |
| » Lost to Cubs (58-45), 6-4 | Wrigley Field (1-6) | 53-49 | Lost 6 |
| » W: Les Lancaster (3-0) L: Rick Aguilera (6-6) | Fourth | 6 out |
| Monday, July 31 |
| » Lost to Cardinals (54-47), 3-2 | Busch Stadium II (1-3) | 53-50 | Lost 7 |
| » W: Jose DeLeon (11-9) L: Ron Darling (8-9) S: Todd Worrell (15) | Fourth | 7 out |
| Tuesday, August 1 |
| » Defeated Cardinals (54-48), 11-0 | Busch Stadium II (2-3) | 54-50 | |
| » W: Sid Fernandez (9-3) L: Scott Terry (7-10) | Fourth | 7 out |
| Wednesday, August 2 |
| » Defeated Cardinals (54-49), 4-3 | Busch Stadium II (3-3) | 55-50 | Won 2 |
| » W: Frank Viola (9-12) L: Todd Worrell (1-3) S: Randy Myers (16) | Third | 7 out |
| Thursday, August 3 |
| » Lost to Cardinals (55-49), 6-5 | Busch Stadium II (3-4) | 55-51 | |
| » W: Dan Quisenberry (3-1) L: Jeff Musselman (0-2) S: Ken Dayley (8) | Fourth | 7 out |
| Friday, August 4 |
| » Defeated Expos (63-46), 11-5 | Shea Stadium (34-18) | 56-51 | |
| » W: Bob Ojeda (7-9) L: Bryn Smith (9-5) | Fourth | 6 out |
| Saturday, August 5 |
| » Defeated Expos (63-47), 3-2 | Shea Stadium (35-18) | 57-51 | Won 2 |
| » W: Ron Darling (9-9) L: Tim Burke (6-2) | Second | 5 out |
| Sunday, August 6 |
| » Defeated Expos (63-48), 2-1 | Shea Stadium (36-18) | 58-51 | Won 3 |
| » W: Jeff Musselman (1-2) L: Steve Frey (3-2) | Third | 4 out |
| Monday, August 7 |
| » Lost to Phillies (45-66), 2-1 | Veteran's Stadium (2-2) | 58-52 | |
| » W: Roger McDowell (3-5) L: Jeff Musselman (1-3) | Fourth | 5 out |
| Tuesday, August 8 |
| » Defeated Phillies (45-67), 9-0 | Veteran's Stadium (3-2) | 59-52 | |
| » W: David Cone (9-5) L: Bruce Ruffin (3-6) | Third | 5 out |
| Wednesday, August 9 |
| » Defeated Phillies (45-68), 6-0 | Veteran's Stadium (4-2) | 60-52 | Won 2 |
| » W: Bob Ojeda (8-9) L: Dennis Cook (5-5) | Third | 5 out |
| Thursday, August 10 |
| » Defeated Cardinals (59-52), 5-1 | Shea Stadium (37-18) | 61-52 | Won 3 |
| » W: Ron Darling (10-9) L: Jose DeLeon (11-11) | Third | 3½ out |
| » Defeated Cardinals (59-53), 6-4 | Shea Stadium (38-18) | 62-52 | Won 4 |
| » W: Jeff Musselman (2-3) L: John Costello (1-2) S: Randy Myers (17) | Third | 3½ out |
| Friday, August 11 |
| » Lost to Cardinals (60-53), 3-0 | Shea Stadium (38-19) | 62-53 | |
| » W: Scott Terry (8-10) L: Frank Viola (9-13) S: Ken Dayley (9) | Third | 4½ out |
| Saturday, August 12 |
| » Defeated Cardinals (60-54), 3-1 | Shea Stadium (39-19) | 63-53 | |
| » W: David Cone (10-5) L: Ted Power (4-5) S: Randy Myers (18) | Third | 4½ out |
| Sunday, August 13 |
| » Defeated Cardinals (60-55), 3-2 | Shea Stadium (40-19) | 64-53 | Won 2 |
| » W: Bob Ojeda (9-9) L: Ken Hill (6-9) S: Randy Myers (19) | Third | 3½ out |
| Tuesday, August 15 |
| » Defeated Padres (59-60), 3-2 | Shea Stadium (41-19) | 65-53 | Won 3 |
| » W: Jeff Musselman (3-3) L: Ed Whitson (14-9) | Second | 3½ out |
| Wednesday, August 16 |
| » Defeated Padres (59-61), 7-2 | Shea Stadium (42-19) | 66-53 | Won 4 |
| » W: Ron Darling (11-9) L: Dennis Rasmussen (5-9) S: Don Aase (2) | Second | 3½ out |
| Thursday, August 17 |
| » Lost to Padres (60-61), 6-2 | Shea Stadium (42-20) | 66-54 | |
| » W: Bruce Hurst (12-9) L: Frank Viola (9-14) | Second | 4½ out |
| Friday, August 18 |
| » Defeated Dodgers (57-65), 3-2 | Shea Stadium (43-20) | 67-54 | |
| » W: David Cone (11-5) L: Orel Hershiser (14-9) S: Randy Myers (20) | Second | 3½ out |
| Saturday, August 19 |
| » Defeated Dodgers (57-66), 4-1 | Shea Stadium (44-20) | 68-54 | Won 2 |
| » W: Bob Ojeda (10-9) L: John Wetteland (3-5) S: Randy Myers (21) | Second | 2½ out |
| Sunday, August 20 |
| » Lost to Dodgers (58-66), 5-4 | Shea Stadium (44-21) | 68-55 | |
| » W: Alejandro Pena (3-2) L: Don Aase (1-4) S: Jay Howell (25) | Second | 2½ out |
| Monday, August 21 |
| » Defeated Giants (71-54), 4-1 | Shea Stadium (45-21) | 69-55 | |
| » W: Ron Darling (12-9) L: Mike LaCoss (7-8) S: Randy Myers (22) | Second | 1½ out |
| Tuesday, August 22 |
| » Lost to Giants (72-54), 5-0 | Shea Stadium (45-22) | 69-56 | |
| » W: Bob Knepper (6-11) L: Frank Viola (9-15) | Second | 1½ out |
| Wednesday, August 23 |
| » Lost to Giants (73-54), 5-0 | Shea Stadium (45-23) | 69-57 | Lost 2 |
| » W: Rick Reuschel (15-5) L: David Cone (11-6) | Second | 1½ out |
| Friday, August 25 |
| » Lost to Padres (64-64), 5-3 | San Diego/Jack Murphy Stadium (1-3) | 69-58 | Lost 3 |
| » W: Greg Harris (6-7) L: Randy Myers (6-4) | Third | 2½ out |
| Saturday, August 26 |
| » Lost to Padres (65-64), 9-4 | San Diego/Jack Murphy Stadium (1-4) | 69-59 | Lost 4 |
| » W: Dennis Rasmussen (7-9) L: Ron Darling (12-10) S: Greg Harris (4) | Fourth | 2½ out |
| Sunday, August 27 |
| » Lost to Padres (66-64), 13-7 | San Diego/Jack Murphy Stadium (1-5) | 69-60 | Lost 5 |
| » W: Pat Clements (2-1) L: John Mitchell (0-1) S: Mark Grant (1) | Fourth | 3½ out |
| Monday, August 28 |
| » Defeated Dodgers (62-69), 1-0 | Dodger Stadium (2-2) | 70-60 | |
| » W: Frank Viola (10-15) L: Orel Hershiser (14-10) | Fourth | 3½ out |
| Tuesday, August 29 |
| » Defeated Dodgers (62-70), 2-1 | Dodger Stadium (3-2) | 71-60 | Won 2 |
| » W: David Cone (12-6) L: John Wetteland (4-6) | Third | 3½ out |
| Wednesday, August 30 |
| » Defeated Dodgers (62-71), 9-3 | Dodger Stadium (4-2) | 72-60 | Won 3 |
| » W: Sid Fernandez (10-3) L: Ramon Martinez (3-3) | Second | 2½ out |
| Friday, September 1 |
| » Lost to Giants (76-58), 7-1 | Candlestick Park (1-3) | 72-61 | |
| » W: Scott Garrelts (11-3) L: Ron Darling (12-11) | Second | 2½ out |
| Saturday, September 2 |
| » Lost to Giants (77-58), 6-2 | Candlestick Park (1-4) | 72-62 | Lost 2 |
| » W: Rick Reuschel (16-6) L: Frank Viola (10-16) | Third | 3½ out |
| Sunday, September 3 |
| » Lost to Giants (78-58), 4-0 | Candlestick Park (1-5) | 72-63 | Lost 3 |
| » W: Don Robinson (12-9) L: Bob Ojeda (10-10) | Fourth | 3½ out |
| Monday, September 4 |
| » Lost to Cubs (77-60), 7-3 | Shea Stadium (45-24) | 72-64 | Lost 4 |
| » W: Rick Sutcliffe (14-11) L: David Cone (12-7) S: Les Lancaster (6) | Fourth | 4½ out |
| Tuesday, September 5 |
| » Defeated Cubs (77-61), 3-2 | Shea Stadium (46-24) | 73-64 | |
| » W: Sid Fernandez (11-3) L: Mitch Williams (4-3) | Fourth | 3½ out |
| Wednesday, September 6 |
| » Lost to Cardinals (76-62), 3-2 | Shea Stadium (46-25) | 73-65 | |
| » W: Frank DiPino (7-0) L: Ron Darling (12-12) S: Ken Dayley (11) | Fourth | 3½ out |
| Thursday, September 7 |
| » Defeated Cardinals (76-63), 13-1 | Shea Stadium (47-25) | 74-65 | |
| » W: Frank Viola (11-16) L: Ted Power (6-7) | Fourth | 3½ out |
| » Major-league debuts: Julio Machado (Mets) |
| Friday, September 8 |
| » Defeated Pirates (61-79), 7-2 | Shea Stadium (48-25) | 75-65 | Won 2 |
| » W: Bob Ojeda (11-10) L: Doug Drabek (12-11) | Third | 2½ out |
| » Major-league debuts: Stan Belinda (Pirates) |
| Saturday, September 9 |
| » Lost to Pirates (62-79), 8-5 | Shea Stadium (48-26) | 75-66 | |
| » W: Dorn Taylor (1-1) L: Jeff Innis (0-1) S: Bob Patterson (1) | Fourth | 3½ out |
| Sunday, September 10 |
| » Lost to Pirates (63-79), 4-1 | Shea Stadium (48-27) | 75-67 | Lost 2 |
| » W: John Smiley (11-7) L: Sid Fernandez (11-4) S: Bob Kipper (3) | Fourth | 4½ out |
| Monday, September 11 |
| » Defeated Phillies (58-85), 5-2 | Veteran's Stadium (5-2) | 76-67 | |
| » W: Ron Darling (13-12) L: Bruce Ruffin (5-9) S: Randy Myers (23) | Third | 4½ out |
| Tuesday, September 12 |
| » Lost to Phillies (59-85), 2-1 | Veteran's Stadium (5-3) | 76-68 | |
| » W: Roger McDowell (4-6) L: Don Aase (1-5) | Third | 5½ out |
| Wednesday, September 13 |
| » Defeated Phillies (59-86), 10-4 | Veteran's Stadium (6-3) | 77-68 | |
| » W: Bob Ojeda (12-10) L: Jason Grimsley (1-1) | Third | 5½ out |
| Friday, September 15 |
| » Defeated Expos (76-71), 5-0 | Stade Olympique (2-5) | 78-68 | Won 2 |
| » W: David Cone (13-7) L: Dennis Martinez (15-6) | Second | 5½ out |
| Saturday, September 16 |
| » Lost to Expos (77-71), 10-1 | Stade Olympique (2-6) | 78-69 | |
| » W: Pascual Perez (9-13) L: Sid Fernandez (11-5) | Second | 5½ out |
| » Major-league debuts: Blaine Beatty (Mets) |
| Sunday, September 17 |
| » Lost to Expos (78-71), 1-0 | Stade Olympique (2-7) | 78-70 | Lost 2 |
| » W: Mark Langston (16-12) L: Ron Darling (13-13) | Third | 5½ out |
| Monday, September 18 |
| » Lost to Cubs (85-65), 10-6 | Wrigley Field (1-7) | 78-71 | Lost 3 |
| » W: Dean Wilkins (1-0) L: Frank Viola (11-17) S: Mitch Williams (34) | Third | 6½ out |
| Tuesday, September 19 |
| » Defeated Cubs (85-66), 5-2 | Wrigley Field (2-7) | 79-71 | |
| » W: Bob Ojeda (13-10) L: Steve Wilson (5-4) S: Dwight Gooden (1) | Third | 5½ out |
| Wednesday, September 20 |
| » Lost to Cardinals (82-70), 5-3 | Busch Stadium II (3-5) | 79-72 | |
| » W: Frank DiPino (8-0) L: David Cone (13-8) S: Ken Dayley (12) | Third | 5½ out |
| Thursday, September 21 |
| » Defeated Cardinals (82-71), 6-1 | Busch Stadium II (4-5) | 80-72 | |
| » W: Sid Fernandez (12-5) L: Ricky Horton (0-3) | Third | 5½ out |
| Friday, September 22 |
| » Defeated Expos |