| Sunday, February 1 |
| Future Met Joe Vitko is born in Somerville, NJ. |
| Tuesday, February 10 |
| Future Met Alberto Castillo is born in San Juan De La Maguana, D.R. Future Met Bobby Jones is born in Fresno, CA. |
| Saturday, February 14 |
| Future Met Kelly Stinnett is born in Lawton, OK. |
| Tuesday, March 3 |
| Future Met Kevin Morgan is born in Lafayette, LA. |
| Friday, March 13 |
| Future Met Jorge Fabregas is born in Miami, FL. |
| Monday, April 6 |
| » Major-league debuts: Dick Such (Senators) |
| Tuesday, April 7 |
| » Defeated Pirates (0-1), 5-3 | Forbes Field (1-0) | 1-0 | |
| » Starters: Tom Seaver vs Steve Blass | First | -- |
| Thursday, April 9 |
| » Lost to Pirates (1-1), 2-1 | Forbes Field (1-1) | 1-1 | |
| » Starters: Jerry Koosman vs Dock Ellis | Second | 1 out |
| Friday, April 10 |
| » Lost to Cardinals (3-0), 7-3 | Busch Stadium II (0-1) | 1-2 | Lost 2 |
| » Starters: Jim McAndrew vs George Culver | Second | 2 out |
| Saturday, April 11 |
| » Defeated Cardinals (3-1), 4-1 | Busch Stadium II (1-1) | 2-2 | |
| » Starters: Gary Gentry vs Nelson Briles | Second | 1 out |
| » Major-league debuts: Jim Campbell (Cardinals) |
| Sunday, April 12 |
| » Defeated Cardinals (3-2), 6-4 | Busch Stadium II (2-1) | 3-2 | Won 2 |
| » Starters: Tom Seaver vs Steve Carlton | First | -- |
| Tuesday, April 14 |
| » Lost to Pirates (4-2), 6-4 | Shea Stadium (0-1) | 3-3 | |
| » Starters: Dock Ellis vs Jerry Koosman | Second | 1 out |
| Thursday, April 16 |
| » Lost to Pirates (5-2), 7-4 | Shea Stadium (0-2) | 3-4 | Lost 2 |
| » Starters: Bob Veale vs Gary Gentry | Third | 2 out |
| Friday, April 17 |
| » Defeated Phillies (3-6), 6-0 | Shea Stadium (1-2) | 4-4 | |
| » Starters: Grant Jackson vs Tom Seaver | Third | 2 out |
| » Major-league debuts: Mike Compton and Jim Hutto (Phillies) |
| Saturday, April 18 |
| » Defeated Phillies (3-7), 7-0 | Shea Stadium (2-2) | 5-4 | Won 2 |
| » Starters: Jim Bunning vs Nolan Ryan | Third | 2 out |
| Future Met Rico Brogna is born in Turners Falls, MA. |
| Sunday, April 19 |
| » Lost to Phillies (4-7), 3-2 | Shea Stadium (2-3) | 5-5 | |
| » Starters: Rick Wise vs Jerry Koosman | Fourth | 2 out |
| » Defeated Phillies (4-8), 10-2 | Shea Stadium (3-3) | 6-5 | |
| » Starters: Chris Short vs Jim McAndrew | Fourth | 2 out |
| Tuesday, April 21 |
| » Lost to Padres (6-8), 5-3 | Shea Stadium (3-4) | 6-6 | |
| » Starters: Clay Kirby vs Gary Gentry | Third | 2 out |
| Wednesday, April 22 |
| » Defeated Padres (6-9), 2-1 | Shea Stadium (4-4) | 7-6 | |
| » Starters: Mike Corkins vs Tom Seaver | Fourth | 2 out |
| Friday, April 24 |
| » Lost to Dodgers (7-7), 1-0 | Dodger Stadium (0-1) | 7-7 | |
| » Starters: Jerry Koosman vs Alan Foster | Fourth | 3 out |
| Saturday, April 25 |
| » Lost to Dodgers (8-7), 1-0 | Dodger Stadium (0-2) | 7-8 | Lost 2 |
| » Starters: Nolan Ryan vs Claude Osteen | Fourth | 4 out |
| Sunday, April 26 |
| » Defeated Dodgers (8-8), 3-1 | Dodger Stadium (1-2) | 8-8 | |
| » Starters: Tom Seaver vs Sandy Vance | Fourth | 4 out |
| » Major-league debuts: Sandy Vance (Dodgers) |
| Tuesday, April 28 |
| » Defeated Giants (9-11), 5-2 | Candlestick Park (1-0) | 9-8 | Won 2 |
| » Starters: Gary Gentry vs Gaylord Perry | Fifth | 3½ out |
| Wednesday, April 29 |
| » Lost to Giants (10-11), 8-6 | Candlestick Park (1-1) | 9-9 | |
| » Starters: Jerry Koosman vs Juan Marichal | Fifth | 4½ out |
| Thursday, April 30 |
| » Defeated Giants (10-12), 4-1 | Candlestick Park (2-1) | 10-9 | |
| » Starters: Nolan Ryan vs Mike McCormick | Fourth | 3½ out |
| Friday, May 1 |
| » Defeated Padres (7-15), 2-1 | San Diego/Jack Murphy Stadium (1-0) | 11-9 | Won 2 |
| » Starters: Tom Seaver vs Al Santorini | Second | 2½ out |
| Saturday, May 2 |
| » Lost to Padres (8-15), 5-4 | San Diego/Jack Murphy Stadium (1-1) | 11-10 | |
| » Starters: Jim McAndrew vs Clay Kirby | Second | 2½ out |
| Future Met Joe Crawford is born in Gainesville, FL. |
| Sunday, May 3 |
| » Lost to Padres (9-15), 4-3 | San Diego/Jack Murphy Stadium (1-2) | 11-11 | Lost 2 |
| » Starters: Jerry Koosman vs Mike Corkins | Second | 2½ out |
| » Defeated Padres (9-16), 3-2 | San Diego/Jack Murphy Stadium (2-2) | 12-11 | |
| » Starters: Gary Gentry vs Pat Dobson | Second | 2½ out |
| Tuesday, May 5 |
| » Lost to Dodgers (13-11), 4-0 | Shea Stadium (4-5) | 12-12 | |
| » Starters: Sandy Vance vs Nolan Ryan | Second | 2 out |
| Future Met Juan Acevedo is born in Juarez, Mexico. |
| Wednesday, May 6 |
| » Defeated Dodgers (13-12), 5-4 | Shea Stadium (5-5) | 13-12 | |
| » Starters: Don Sutton vs Tom Seaver | Second | 1½ out |
| Thursday, May 7 |
| » Lost to Dodgers (14-12), 7-4 | Shea Stadium (5-6) | 13-13 | |
| » Starters: Alan Foster vs Ray Sadecki | Second | 1½ out |
| Future Met Brook Fordyce is born in New London, CT. |
| Friday, May 8 |
| » Lost to Giants (14-15), 7-1 | Shea Stadium (5-7) | 13-14 | Lost 2 |
| » Starters: Miguel Puente vs Gary Gentry | Second | 2½ out |
| Saturday, May 9 |
| » Defeated Giants (14-16), 14-5 | Shea Stadium (6-7) | 14-14 | |
| » Starters: Rich Robertson vs Jerry Koosman | Second | 2½ out |
| Sunday, May 10 |
| » Lost to Giants (15-16), 11-7 | Shea Stadium (6-8) | 14-15 | |
| » Starters: Juan Marichal vs Nolan Ryan | Second | 2½ out |
| Monday, May 11 |
| » Lost to Expos (9-19), 3-0 | Shea Stadium (6-9) | 14-16 | Lost 2 |
| » Starters: Dan McGinn vs Tom Seaver | Second | 2½ out |
| Tuesday, May 12 |
| » Defeated Expos (9-20), 8-4 | Shea Stadium (7-9) | 15-16 | |
| » Starters: Carl Morton vs Ray Sadecki | Second | 2½ out |
| Wednesday, May 13 |
| » Defeated Cubs (16-13), 4-0 | Wrigley Field (1-0) | 16-16 | Won 2 |
| » Starters: Gary Gentry vs Bill Hands | Second | 1½ out |
| Friday, May 15 |
| » Defeated Phillies (13-20), 4-0 | Shibe Park (1-0) | 17-16 | Won 3 |
| » Starters: Tom Seaver vs Woodie Fryman | Second | 1½ out |
| Saturday, May 16 |
| » Defeated Phillies (13-21), 6-0 | Shibe Park (2-0) | 18-16 | Won 4 |
| » Starters: Jerry Koosman vs Grant Jackson | Second | 1½ out |
| Monday, May 18 |
| » Lost to Expos (13-21), 8-4 | Parc Jarry (0-1) | 18-17 | |
| » Starters: Gary Gentry vs Bill Stoneman | Second | 1 out |
| Tuesday, May 19 |
| » Defeated Expos (13-22), 7-4 | Parc Jarry (1-1) | 19-17 | |
| » Starters: Ray Sadecki vs Dan McGinn | Second | 1 out |
| Wednesday, May 20 |
| » Lost to Expos (14-22), 2-0 | Parc Jarry (1-2) | 19-18 | |
| » Starters: Tom Seaver vs Carl Morton | Second | 1½ out |
| Thursday, May 21 |
| » Major-league debuts: Balor Moore (Expos) |
| Future Met Tom Martin is born in Charleston, SC. |
| Friday, May 22 |
| » Lost to Cubs (19-16), 6-4 | Shea Stadium (7-10) | 19-19 | Lost 2 |
| » Starters: Ken Holtzman vs Jerry Koosman | Third | 1½ out |
| Saturday, May 23 |
| » Lost to Cubs (20-16), 14-8 | Shea Stadium (7-11) | 19-20 | Lost 3 |
| » Starters: Fergie Jenkins vs Gary Gentry | Third | 2½ out |
| Sunday, May 24 |
| » Lost to Cubs (21-16), 3-1 | Shea Stadium (7-12) | 19-21 | Lost 4 |
| » Starters: Bill Hands vs Tom Seaver | Third | 2½ out |
| » Defeated Cubs (21-17), 3-1 | Shea Stadium (8-12) | 20-21 | |
| » Starters: Joe Decker vs Nolan Ryan | Third | 2½ out |
| Tuesday, May 26 |
| » Defeated Cardinals (20-20), 5-1 | Shea Stadium (9-12) | 21-21 | Won 2 |
| » Starters: Mike Torrez vs Ray Sadecki | Third | 2½ out |
| Wednesday, May 27 |
| » Defeated Cardinals (20-21), 3-0 | Shea Stadium (10-12) | 22-21 | Won 3 |
| » Starters: Steve Carlton vs Gary Gentry | Second | 1½ out |
| Thursday, May 28 |
| » Lost to Cardinals (21-21), 9-2 | Shea Stadium (10-13) | 22-22 | |
| » Starters: Bob Gibson vs Jim McAndrew | Third | 2½ out |
| Friday, May 29 |
| » Lost to Astros (21-26), 5-0 | Shea Stadium (10-14) | 22-23 | Lost 2 |
| » Starters: Tom Griffin vs Tom Seaver | Second | 3 out |
| Saturday, May 30 |
| » Defeated Astros (21-27), 4-3 | Shea Stadium (11-14) | 23-23 | |
| » Starters: Larry Dierker vs Nolan Ryan | Second | 2½ out |
| Sunday, May 31 |
| » Defeated Astros (21-28), 14-4 | Shea Stadium (12-14) | 24-23 | Won 2 |
| » Starters: Denny Lemaster vs Ray Sadecki | Second | 2 out |
| » Defeated Astros (21-29), 4-3 | Shea Stadium (13-14) | 25-23 | Won 3 |
| » Starters: Don Wilson vs Jim McAndrew | Second | 2 out |
| Tuesday, June 2 |
| » Lost to Braves (28-19), 4-1 | Atlanta-Fulton County Stadium (0-1) | 25-24 | |
| » Starters: Gary Gentry vs Phil Niekro | Second | 2 out |
| Future Met Reid Cornelius is born in Thomasville, AL. |
| Thursday, June 4 |
| » Lost to Braves (29-19), 3-1 | Atlanta-Fulton County Stadium (0-2) | 25-25 | Lost 2 |
| » Starters: Tom Seaver vs Pat Jarvis | Second | 3 out |
| Friday, June 5 |
| » Lost to Reds (38-15), 5-4 | Crosley Field (0-1) | 25-26 | Lost 3 |
| » Starters: Nolan Ryan vs Jim McGlothlin | Second | 4 out |
| Saturday, June 6 |
| » Lost to Reds (39-15), 5-1 | Crosley Field (0-2) | 25-27 | Lost 4 |
| » Starters: Ray Sadecki vs Jim Merritt | Second | 4 out |
| Sunday, June 7 |
| » Lost to Reds (40-15), 10-2 | Crosley Field (0-3) | 25-28 | Lost 5 |
| » Starters: Gary Gentry vs Wayne Simpson | Fourth | 5 out |
| Monday, June 8 |
| » Defeated Astros (25-32), 2-0 | Astrodome (1-0) | 26-28 | |
| » Starters: Jim McAndrew vs Jack Billingham | Third | 4½ out |
| Tuesday, June 9 |
| » Defeated Astros (25-33), 2-1 | Astrodome (2-0) | 27-28 | Won 2 |
| » Starters: Tom Seaver vs Tom Griffin | Third | 4½ out |
| Wednesday, June 10 |
| » Lost to Astros (26-33), 5-3 | Astrodome (2-1) | 27-29 | |
| » Starters: Nolan Ryan vs Denny Lemaster | Third | 4½ out |
| » Major-league debuts: Rich Folkers (Mets) |
| Friday, June 12 |
| » Defeated Braves (31-24), 8-1 | Shea Stadium (14-14) | 28-29 | |
| » Starters: Phil Niekro vs Gary Gentry | Third | 5 out |
| Future Met Damon Buford is born in Baltimore, MD. |
| Saturday, June 13 |
| » Defeated Braves (31-25), 4-1 | Shea Stadium (15-14) | 29-29 | Won 2 |
| » Starters: Mike McQueen vs Ray Sadecki | Second | 5 out |
| Sunday, June 14 |
| » Defeated Braves (31-26), 7-5 | Shea Stadium (16-14) | 30-29 | Won 3 |
| » Starters: Pat Jarvis vs Tom Seaver | Second | 4 out |
| Tuesday, June 16 |
| » Defeated Reds (44-18), 8-1 | Shea Stadium (17-14) | 31-29 | Won 4 |
| » Starters: Jim Merritt vs Jim McAndrew | Second | 3 out |
| Wednesday, June 17 |
| » Lost to Reds (45-18), 7-4 | Shea Stadium (17-15) | 31-30 | |
| » Starters: Wayne Simpson vs Gary Gentry | Second | 4 out |
| Friday, June 19 |
| » Defeated Phillies (27-34), 13-3 | Shea Stadium (18-15) | 32-30 | |
| » Starters: Jim Bunning vs Tom Seaver | Second | 3½ out |
| Saturday, June 20 |
| » Lost to Phillies (28-34), 2-1 | Shea Stadium (18-16) | 32-31 | |
| » Starters: Chris Short vs Jerry Koosman | Second | 4½ out |
| Monday, June 22 |
| » Defeated Cubs (35-28), 9-5 | Wrigley Field (2-0) | 33-31 | |
| » Starters: Gary Gentry vs Fergie Jenkins | Second | 2½ out |
| Tuesday, June 23 |
| » Defeated Cubs (35-29), 12-10 | Wrigley Field (3-0) | 34-31 | Won 2 |
| » Starters: Ray Sadecki vs Joe Decker | Second | 1½ out |
| Future Met Juan Castillo is born. |
| Wednesday, June 24 |
| » Defeated Cubs (35-30), 9-5 | Wrigley Field (4-0) | 35-31 | Won 3 |
| » Starters: Tom Seaver vs Bill Hands | First | -- |
| » Defeated Cubs (35-31), 6-1 | Wrigley Field (5-0) | 36-31 | Won 4 |
| » Starters: Nolan Ryan vs Archie Reynolds | First | -- |
| » Major-league debuts: Ken Singleton (Mets) |
| Thursday, June 25 |
| » Defeated Cubs (35-32), 8-3 | Wrigley Field (6-0) | 37-31 | Won 5 |
| » Starters: Jerry Koosman vs Ken Holtzman | First | -- |
| Friday, June 26 |
| » Lost to Expos (27-43), 6-5 | Parc Jarry (1-3) | 37-32 | |
| » Starters: Jim McAndrew vs Steve Renko | First | -- |
| Saturday, June 27 |
| » Defeated Expos (27-44), 8-3 | Parc Jarry (2-3) | 38-32 | |
| » Starters: Gary Gentry vs Dan McGinn | First | -- |
| Future Met Ricardo Jordan is born in Boynton Beach, FL. |
| Sunday, June 28 |
| » Lost to Expos (28-44), 3-2 | Parc Jarry (2-4) | 38-33 | |
| » Starters: Ray Sadecki vs Carl Morton | First | -- |
| Monday, June 29 |
| » Defeated Pirates (40-36), 3-2 | Shea Stadium (19-16) | 39-33 | |
| » Starters: Steve Blass vs Tom Seaver | First | -- |
| Tuesday, June 30 |
| » Defeated Pirates (40-37), 7-6 | Shea Stadium (20-16) | 40-33 | Won 2 |
| » Starters: Bob Veale vs Jerry Koosman | First | -- |
| Wednesday, July 1 |
| » Lost to Pirates (41-37), 4-3 | Shea Stadium (20-17) | 40-34 | |
| » Starters: Dock Ellis vs Jim McAndrew | First | -- |
| Thursday, July 2 |
| » Lost to Phillies (33-42), 6-1 | Shibe Park (2-1) | 40-35 | Lost 2 |
| » Starters: Gary Gentry vs Jim Bunning | Second | 1 out |
| » Lost to Phillies (34-42), 3-2 | Shibe Park (2-2) | 40-36 | Lost 3 |
| » Starters: Don Cardwell vs Chris Short | Second | 1 out |
| Friday, July 3 |
| » Defeated Phillies (34-43), 4-3 | Shibe Park (3-2) | 41-36 | |
| » Starters: Ray Sadecki vs Rick Wise | Second | 1 out |
| Saturday, July 4 |
| » Defeated Phillies (34-44), 7-2 | Shibe Park (4-2) | 42-36 | Won 2 |
| » Starters: Tom Seaver vs Grant Jackson | First | -- |
| Sunday, July 5 |
| » Defeated Phillies (34-45), 5-4 | Shibe Park (5-2) | 43-36 | Won 3 |
| » Starters: Jerry Koosman vs Woodie Fryman | First | -- |
| Monday, July 6 |
| » Defeated Cardinals (39-41), 10-3 | Shea Stadium (21-17) | 44-36 | Won 4 |
| » Starters: Jerry Reuss vs Jim McAndrew | First | -- |
| Tuesday, July 7 |
| » Defeated Cardinals (39-42), 4-3 | Shea Stadium (22-17) | 45-36 | Won 5 |
| » Starters: Mike Torrez vs Gary Gentry | First | -- |
| Wednesday, July 8 |
| » Defeated Cardinals (39-43), 7-5 | Shea Stadium (23-17) | 46-36 | Won 6 |
| » Starters: Nelson Briles vs Ray Sadecki | First | -- |
| Thursday, July 9 |
| » Defeated Expos (34-51), 7-1 | Shea Stadium (24-17) | 47-36 | Won 7 |
| » Starters: Rich Nye vs Tom Seaver | First | -- |
| Friday, July 10 |
| » Lost to Expos (35-51), 9-7 | Shea Stadium (24-18) | 47-37 | |
| » Starters: Carl Morton vs Jerry Koosman | First | -- |
| Saturday, July 11 |
| » Lost to Expos (36-51), 6-2 | Shea Stadium (24-19) | 47-38 | Lost 2 |
| » Starters: Mike Wegener vs Jim McAndrew | Second | 1½ out |
| Sunday, July 12 |
| » Lost to Expos (37-51), 5-3 | Shea Stadium (24-20) | 47-39 | Lost 3 |
| » Starters: Steve Renko vs Ray Sadecki | Second | 1½ out |
| Thursday, July 16 |
| » Lost to Dodgers (52-35), 3-1 | Dodger Stadium (1-3) | 47-40 | Lost 4 |
| » Starters: Jim McAndrew vs Bill Singer | Second | 1½ out |
| Friday, July 17 |
| » Lost to Dodgers (53-35), 1-0 | Dodger Stadium (1-4) | 47-41 | Lost 5 |
| » Starters: Tom Seaver vs Don Sutton | Second | 2½ out |
| Saturday, July 18 |
| » Defeated Dodgers (53-36), 4-3 | Dodger Stadium (2-4) | 48-41 | |
| » Starters: Ray Sadecki vs Claude Osteen | Second | 1½ out |
| » Major-league debuts: Teddy Martinez (Mets) |
| Sunday, July 19 |
| » Lost to Giants (43-45), 5-3 | Candlestick Park (2-2) | 48-42 | |
| » Starters: Nolan Ryan vs Rich Robertson | Second | 2 out |
| » Defeated Giants (43-46), 7-6 | Candlestick Park (3-2) | 49-42 | |
| » Starters: Jerry Koosman vs Skip Pitlock | Second | 2 out |
| Monday, July 20 |
| » Lost to Giants (44-46), 7-4 | Candlestick Park (3-3) | 49-43 | |
| » Starters: Rich Folkers vs Frank Reberger | Second | 2 out |
| Tuesday, July 21 |
| » Defeated Padres (38-59), 3-0 | San Diego/Jack Murphy Stadium (3-2) | 50-43 | |
| » Starters: Jim McAndrew vs Clay Kirby | Second | 1 out |
| Wednesday, July 22 |
| » Lost to Padres (39-59), 5-4 | San Diego/Jack Murphy Stadium (3-3) | 50-44 | |
| » Starters: Tom Seaver vs Earl Wilson | Second | 2 out |
| Friday, July 24 |
| » Defeated Dodgers (55-40), 2-1 | Shea Stadium (25-20) | 51-44 | |
| » Starters: Bill Singer vs Jerry Koosman | Second | 2½ out |
| Saturday, July 25 |
| » Defeated Dodgers (55-41), 6-4 | Shea Stadium (26-20) | 52-44 | Won 2 |
| » Starters: Alan Foster vs Ray Sadecki | Second | 1½ out |
| Sunday, July 26 |
| » Lost to Dodgers (56-41), 5-3 | Shea Stadium (26-21) | 52-45 | |
| » Starters: Don Sutton vs Gary Gentry | Second | 1½ out |
| Monday, July 27 |
| » Defeated Giants (46-51), 5-3 | Shea Stadium (27-21) | 53-45 | |
| » Starters: Gaylord Perry vs Tom Seaver | Second | 1 out |
| Tuesday, July 28 |
| » Defeated Giants (46-52), 12-2 | Shea Stadium (28-21) | 54-45 | Won 2 |
| » Starters: Rich Robertson vs Jim McAndrew | Second | 1 out |
| Wednesday, July 29 |
| » Lost to Giants (47-52), 4-2 | Shea Stadium (28-22) | 54-46 | |
| » Starters: Skip Pitlock vs Jerry Koosman | Second | 1 out |
| Friday, July 31 |
| » Defeated Padres (40-64), 6-5 | Shea Stadium (29-22) | 55-46 | |
| » Starters: Pat Dobson vs Gary Gentry | First | -- |
| Saturday, August 1 |
| » Defeated Padres (40-65), 4-2 | Shea Stadium (30-22) | 56-46 | Won 2 |
| » Starters: Earl Wilson vs Tom Seaver | First | -- |
| Sunday, August 2 |
| » Lost to Padres (41-65), 3-0 | Shea Stadium (30-23) | 56-47 | |
| » Starters: Danny Coombs vs Jim McAndrew | Second | 1 out |
| » Lost to Padres (42-65), 4-2 | Shea Stadium (30-24) | 56-48 | Lost 2 |
| » Starters: Dave Roberts vs Ray Sadecki | Second | 1 out |
| Monday, August 3 |
| » Lost to Cubs (55-51), 6-1 | Shea Stadium (30-25) | 56-49 | Lost 3 |
| » Starters: Fergie Jenkins vs Jerry Koosman | Second | 1 out |
| Tuesday, August 4 |
| » Defeated Cubs (55-52), 4-0 | Shea Stadium (31-25) | 57-49 | |
| » Starters: Joe Decker vs Nolan Ryan | Second | 1 out |
| Wednesday, August 5 |
| » Defeated Cardinals (49-59), 5-3 | Busch Stadium II (3-1) | 58-49 | Won 2 |
| » Starters: Danny Frisella vs Steve Carlton | Second | 1 out |
| Thursday, August 6 |
| » Lost to Cardinals (50-59), 3-0 | Busch Stadium II (3-2) | 58-50 | |
| » Starters: Tom Seaver vs Nelson Briles | Second | 2½ out |
| Friday, August 7 |
| » Lost to Pirates (63-49), 6-1 | Three Rivers Stadium (0-1) | 58-51 | Lost 2 |
| » Starters: Jim McAndrew vs Bob Moose | Second | 3½ out |
| Saturday, August 8 |
| » Defeated Pirates (63-50), 12-9 | Three Rivers Stadium (1-1) | 59-51 | |
| » Starters: Jerry Koosman vs Bob Veale | Second | 2½ out |
| Sunday, August 9 |
| » Lost to Pirates (64-50), 8-3 | Three Rivers Stadium (1-2) | 59-52 | |
| » Starters: Nolan Ryan vs Luke Walker | Second | 3½ out |
| Future Met Pat Mahomes is born in Bryan, TX. |
| Monday, August 10 |
| » Defeated Pirates (64-51), 10-2 | Three Rivers Stadium (2-2) | 60-52 | |
| » Starters: Tom Seaver vs Dock Ellis | Second | 2½ out |
| Tuesday, August 11 |
| » Lost to Reds (78-39), 8-1 | Riverfront Stadium (0-1) | 60-53 | |
| » Starters: Jim McAndrew vs Gary Nolan | Second | 2½ out |
| Wednesday, August 12 |
| » Defeated Reds (78-40), 2-1 | Riverfront Stadium (1-1) | 61-53 | |
| » Starters: Gary Gentry vs Tony Cloninger | Second | 1½ out |
| Thursday, August 13 |
| » Lost to Reds (79-40), 6-1 | Riverfront Stadium (1-2) | 61-54 | |
| » Starters: Ray Sadecki vs Jim Merritt | Second | 2 out |
| Friday, August 14 |
| » Lost to Braves (58-59), 10-2 | Atlanta-Fulton County Stadium (0-3) | 61-55 | Lost 2 |
| » Starters: Nolan Ryan vs Ron Reed | Second | 3 out |
| » Defeated Braves (58-60), 4-2 | Atlanta-Fulton County Stadium (1-3) | 62-55 | |
| » Starters: Jerry Koosman vs Pat Jarvis | Second | 3 out |
| Saturday, August 15 |
| » Lost to Braves (59-60), 3-2 | Atlanta-Fulton County Stadium (1-4) | 62-56 | |
| » Starters: Tom Seaver vs Phil Niekro | Second | 4 out |
| Sunday, August 16 |
| » Defeated Braves (59-61), 2-1 | Atlanta-Fulton County Stadium (2-4) | 63-56 | |
| » Starters: Jim McAndrew vs Jim Nash | Second | 3 out |
| Tuesday, August 18 |
| » Defeated Astros (54-67), 7-1 | Shea Stadium (32-25) | 64-56 | Won 2 |
| » Starters: Larry Dierker vs Gary Gentry | Second | 2½ out |
| Wednesday, August 19 |
| » Lost to Astros (55-67), 9-4 | Shea Stadium (32-26) | 64-57 | |
| » Starters: Wade Blasingame vs Tom Seaver | Second | 2½ out |
| Future Met Jeff Tam is born in Fullerton, CA. |
| Friday, August 21 |
| » Defeated Reds (82-44), 4-1 | Shea Stadium (33-26) | 65-57 | |
| » Starters: Tony Cloninger vs Jerry Koosman | Second | 1½ out |
| Saturday, August 22 |
| » Lost to Reds (83-44), 3-2 | Shea Stadium (33-27) | 65-58 | |
| » Starters: Jim Merritt vs Jim McAndrew | Second | 2½ out |
| Sunday, August 23 |
| » Defeated Reds (83-45), 5-4 | Shea Stadium (34-27) | 66-58 | |
| » Starters: Gary Nolan vs Gary Gentry | Second | 3 out |
| » Lost to Reds (84-45), 7-5 | Shea Stadium (34-28) | 66-59 | |
| » Starters: Jim McGlothlin vs Tom Seaver | Second | 3 out |
| Tuesday, August 25 |
| » Lost to Braves (64-63), 7-6 | Shea Stadium (34-29) | 66-60 | Lost 2 |
| » Starters: Pat Jarvis vs Nolan Ryan | Second | 3 out |
| Wednesday, August 26 |
| » Lost to Braves (65-63), 9-7 | Shea Stadium (34-30) | 66-61 | Lost 3 |
| » Starters: Ron Reed vs Jerry Koosman | Second | 3 out |
| Thursday, August 27 |
| » Defeated Braves (65-64), 5-1 | Shea Stadium (35-30) | 67-61 | |
| » Starters: Phil Niekro vs Jim McAndrew | Second | 2½ out |
| Friday, August 28 |
| » Lost to Astros (60-70), 2-1 | Astrodome (2-2) | 67-62 | |
| » Starters: Tom Seaver vs Wade Blasingame | Second | 2½ out |
| Saturday, August 29 |
| » Lost to Astros (61-70), 9-8 | Astrodome (2-3) | 67-63 | Lost 2 |
| » Starters: Gary Gentry vs Jack Billingham | Third | 2½ out |
| Sunday, August 30 |
| » Lost to Astros (62-70), 9-5 | Astrodome (2-4) | 67-64 | Lost 3 |
| » Starters: Nolan Ryan vs Don Wilson | Third | 2 out |
| Monday, August 31 |
| » Defeated Cardinals (64-69), 11-5 | Busch Stadium II (4-2) | 68-64 | |
| » Starters: Jerry Koosman vs Nelson Briles | Third | 1½ out |
| Tuesday, September 1 |
| » Defeated Cardinals (64-70), 4-3 | Busch Stadium II (5-2) | 69-64 | Won 2 |
| » Starters: Jim McAndrew vs Bob Gibson | Second | 1½ out |
| Wednesday, September 2 |
| » Defeated Cardinals (64-71), 7-3 | Busch Stadium II (6-2) | 70-64 | Won 3 |
| » Starters: Tom Seaver vs Jerry Reuss | Second | ½ out |
| Thursday, September 3 |
| » Lost to Cardinals (65-71), 5-3 | Busch Stadium II (6-3) | 70-65 | |
| » Starters: Gary Gentry vs Steve Carlton | Third | 1 out |
| Friday, September 4 |
| » Lost to Cubs (72-65), 7-4 | Wrigley Field (6-1) | 70-66 | Lost 2 |
| » Starters: Nolan Ryan vs Bill Hands | Third | 2 out |
| Future Met Luis Lopez is born in Cidra, P.R. |
| Saturday, September 5 |
| » Defeated Cubs (72-66), 5-3 | Wrigley Field (7-1) | 71-66 | |
| » Starters: Jerry Koosman vs Ken Holtzman | Third | 2 out |
| Monday, September 7 |
| » Defeated Expos (60-78), 5-4 | Shea Stadium (36-30) | 72-66 | Won 2 |
| » Starters: Carl Morton vs Tom Seaver | Second | 1½ out |
| » Defeated Expos (60-79), 5-1 | Shea Stadium (37-30) | 73-66 | Won 3 |
| » Starters: Dan McGinn vs Jim McAndrew | Second | 1½ out |
| Tuesday, September 8 |
| » Defeated Expos (60-80), 10-5 | Shea Stadium (38-30) | 74-66 | Won 4 |
| » Starters: Steve Renko vs Gary Gentry | Second | ½ out |
| Wednesday, September 9 |
| » Lost to Phillies (66-76), 3-2 | Shea Stadium (38-31) | 74-67 | |
| » Starters: Barry Lersch vs Nolan Ryan | First | -- |
| » Defeated Phillies (66-77), 3-1 | Shea Stadium (39-31) | 75-67 | |
| » Starters: Grant Jackson vs Ray Sadecki | First | -- |
| » Major-league debuts: Greg Luzinski (Phillies) |
| Thursday, September 10 |
| » Defeated Phillies (66-78), 3-2 | Shea Stadium (40-31) | 76-67 | Won 2 |
| » Starters: Jim Bunning vs Jerry Koosman | First | -- |
| » Major-league debuts: Leroy Stanton (Mets) |
| Friday, September 11 |
| » Lost to Cardinals (69-76), 5-2 | Shea Stadium (40-32) | 76-68 | |
| » Starters: Bob Gibson vs Tom Seaver | Second | ½ out |
| » Major-league debuts: Tim Foli (Mets) |
| Saturday, September 12 |
| » Defeated Cardinals (69-77), 3-0 | Shea Stadium (41-32) | 77-68 | |
| » Starters: Jerry Reuss vs Jim McAndrew | Second | ½ out |
| Future Met Tito Navarro is born in Rio Piedras, P.R. |
| Sunday, September 13 |
| » Lost to Cardinals (70-77), 5-4 | Shea Stadium (41-33) | 77-69 | |
| » Starters: Mike Torrez vs Gary Gentry | Second | ½ out |
| Monday, September 14 |
| » Defeated Expos (64-82), 9-5 | Parc Jarry (3-4) | 78-69 | |
| » Starters: Ray Sadecki vs Bill Stoneman | First | -- |
| Tuesday, September 15 |
| » Lost to Expos (65-82), 5-4 | Parc Jarry (3-5) | 78-70 | |
| » Starters: Jerry Koosman vs Carl Morton | Second | 1 out |
| Wednesday, September 16 |
| » Lost to Expos (66-82), 4-2 | Parc Jarry (3-6) | 78-71 | Lost 2 |
| » Starters: Tom Seaver vs Steve Renko | Third | 2 out |
| Friday, September 18 |
| » Lost to Pirates (80-69), 3-2 | Shea Stadium (41-34) | 78-72 | Lost 3 |
| » Starters: Steve Blass vs Jim McAndrew | Third | 2½ out |
| Saturday, September 19 |
| » Lost to Pirates (81-69), 2-1 | Shea Stadium (41-35) | 78-73 | Lost 4 |
| » Starters: Luke Walker vs Gary Gentry | Third | 3½ out |
| Sunday, September 20 |
| » Defeated Pirates (81-70), 4-1 | Shea Stadium (42-35) | 79-73 | |
| » Starters: Bob Moose vs Jerry Koosman | Third | 3½ out |
| » Lost to Pirates (82-70), 9-5 | Shea Stadium (42-36) | 79-74 | |
| » Starters: Fred Cambria vs Tom Seaver | Third | 3½ out |
| Tuesday, September 22 |
| » Defeated Phillies (70-84), 7-6 | Shibe Park (6-2) | 80-74 | |
| » Starters: Jim McAndrew vs Jim Bunning | Third | 3 out |
| Wednesday, September 23 |
| » Defeated Phillies (70-85), 5-4 | Shibe Park (7-2) | 81-74 | Won 2 |
| » Starters: Ray Sadecki vs Chris Short | Second | 2 out |
| Friday, September 25 |
| » Lost to Pirates (85-72), 4-3 | Three Rivers Stadium (2-3) | 81-75 | |
| » Starters: Jerry Koosman vs Bob Moose | Second | 3½ out |
| Saturday, September 26 |
| » Lost to Pirates (86-72), 4-3 | Three Rivers Stadium (2-4) | |
