The 2009 Patriot League Baseball Championship will be conducted as a field-of-four tournament over two weekends. The two higher seeds will host the first round best-of-three series pitting the No. 4 seed Lafayette at the No. 1 seed Bucknell and the No. 3 seed Holy Cross at the No. 2 seed Army. The championship best-of-three series will be played at the site of the highest seed remaining. The Patriot League champion will earn the Patriot League's automatic bid to the NCAA Tournament.
Saturday, May 9
Best-of-Three Series |
| No. 1 Bucknell 6, No. 4 Lafayette 4 (Game 1) | 12 p.m. | Box Score | Recap | Gametracker |
| No. 4 Lafayette 20, No. 1 Bucknell 9 (Game 2)
| 3 p.m. | Box Score | Recap | Gametracker |
| No. 2 Army 5, No. 3 Holy Cross 1 (Game 1)
| 12 p.m. | Box Score | Recap | Live Stats |
| No. 3 Holy Cross 5, No. 2 Army 3 (Game 2)
| 3 p.m. | Box Score | Recap | Live Stats |
Sunday, May 10
Best-of-Three Series |
| No. 4 Lafayette 10, No. 1 Bucknell 2 (Game 3) | 12 p.m. | Box Score | Recap | Gametracker |
| No. 2 Army 11, No. 3 Holy Cross 0 (Game 3) | 1 p.m. | Box Score | Recap | Live Stats |
Saturday, May 16
Championship Series(Best-of-Three) |
| No. 2 Army 6, No. 4 Lafayette 2 (Game 1) | 12 p.m. | Box Score | Recap | Gametracker |
| No. 2 Army 8, No. 4 Lafayette 1 (Game 2) | 3 p.m. | Box Score | Recap | Gametracker |