The New York Mets Opening Day history is based upon the first game played at home during the regular season and includes (if applicable) the entire franchise history.
How many New York Mets Opening Day games were played in April? Have they ever played an Opening Day game in March? Have they even been shutout at home on Opening Day? We hope you enjoy using the charts below to review other similar Opening Day splits:
| Monthly Opening Day Splits | | Team vs Team Opening Day Splits |
| | | |
| Month (Games) | Won | Lost | WP | | Opponent (Games) | Won | Lost | WP |
| March (3) | 1 | 2 | 0.333 | | Atlanta Braves (4) | 3 | 1 | 0.750 |
| April (49) | 31 | 18 | 0.633 | | Chicago Cubs (4) | 1 | 3 | 0.250 |
| | | Colorado Rockies (1) | 1 | 0 | 1.000 |
| Score Related Opening Day Splits | | Florida Marlins (2) | 2 | 0 | 1.000 |
| | | Houston Astros (1) | 1 | 0 | 1.000 |
| Type (Games) | Won | Lost | WP | | Los Angeles Dodgers (1) | 0 | 1 | 0.000 |
| Shutouts (12) | 9 | 3 | 0.750 | | Montreal Expos (8) | 4 | 4 | 0.500 |
| 1-Run Games (16) | 10 | 6 | 0.625 | | Philadelphia Phillies (8) | 7 | 1 | 0.875 |
| Blowouts (10) | 5 | 5 | 0.500 | | Pittsburgh Pirates (8) | 3 | 5 | 0.375 |
| | | San Diego Padres (2) | 1 | 1 | 0.500 |
| | | San Francisco Giants (2) | 1 | 1 | 0.500 |
| | | St. Louis Cardinals (9) | 7 | 2 | 0.778 |
| | | Washington Nationals (2) | 1 | 1 | 0.500 |
During their Opening Day history, the New York Metsscored the most runs (11) on April 9, 2007 versus the . The most runs scored against them during an Opening Day game was 15 and it was played on March 31, 2003 versus the .
