The Florida Marlins 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 Florida Marlins 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 (2) | 1 | 1 | 0.500 |
| April (18) | 8 | 10 | 0.444 | | Chicago Cubs (2) | 2 | 0 | 1.000 |
| | | Houston Astros (1) | 0 | 1 | 0.000 |
| Score Related Opening Day Splits | | Los Angeles Dodgers (3) | 1 | 2 | 0.333 |
| | | Montreal Expos (2) | 1 | 1 | 0.500 |
| Type (Games) | Won | Lost | WP | | New York Mets (3) | 2 | 1 | 0.667 |
| Shutouts (3) | 1 | 2 | 0.333 | | Philadelphia Phillies (3) | 0 | 3 | 0.000 |
| 1-Run Games (3) | 1 | 2 | 0.333 | | Pittsburgh Pirates (1) | 0 | 1 | 0.000 |
| Blowouts (8) | 3 | 5 | 0.375 | | San Diego Padres (1) | 0 | 1 | 0.000 |
| | | San Francisco Giants (1) | 1 | 0 | 1.000 |
| | | St. Louis Cardinals (1) | 0 | 1 | 0.000 |
| | | Washington Nationals (1) | 1 | 0 | 1.000 |
During their Opening Day history, the Florida Marlinsscored the most runs (12) on April 6, 2009 versus the . The most runs scored against them during an Opening Day game was 10 and it was played on April 8, 2002 versus the .
