Here are the best starting pitching performances of 2009 (pending tomorrow's game, of course), sorted by Game Score:
| # | Pitcher | Date | Opp | IP | H | ER | BB | K | Score | Decision |
| 1 | Yovani Gallardo | 4/29 | PIT | 8 | 2 | 0 | 1 | 11 | 88 | W |
| 2 | Yovani Gallardo | 6/5 | @ATL | 8 | 2 | 0 | 4 | 6 | 80 | W |
| 3 | Yovani Gallardo | 5/25 | STL | 8 | 2 | 0 | 4 | 6 | 80 | ND |
| 4 | Manny Parra | 7/9 | STL | 7 | 3 | 0 | 1 | 7 | 77 | ND |
| 5 | Yovani Gallardo | 4/24 | @HOU | 9 | 5 | 2 | 0 | 7 | 76 | W |
| 6 | Dave Bush | 9/12 | @ARI | 7 | 5 | 1 | 0 | 11 | 74 | W |
| 7 | Yovani Gallardo | 7/1 | NYM | 7 | 5 | 1 | 2 | 12 | 73 | L |
| 8 | Yovani Gallardo | 6/26 | SFG | 7.2 | 4 | 1 | 3 | 9 | 73 | W |
| 9 | Yovani Gallardo | 7/25 | ATL | 7.1 | 4 | 0 | 4 | 6 | 72 | W |
| 10 | Dave Bush | 4/23 | @PHI | 7.2 | 2 | 1 | 3 | 4 | 72 | W |
And the ten worst:
| # | Pitcher | Date | Opp | IP | H | ER | BB | K | Score | Decisioin |
| 1 | Manny Parra | 6/2 | @FLA | 4 | 11 | 10 | 2 | 5 | 3 | L |
| 2 | Dave Bush | 9/2 | @STL | 3.1 | 11 | 8 | 2 | 2 | 6 | L |
| 3 | Jeff Suppan | 7/27 | WSN | 5.1 | 10 | 10 | 4 | 4 | 8 | L |
| 4 | Manny Parra | 5/22 | @MIN | 3.1 | 8 | 8 | 3 | 1 | 8 | L |
| 5 | Jeff Suppan | 9/24 | PHI | 4.1 | 12 | 7 | 2 | 2 | 9 | L |
| 6 | Braden Looper | 9/21 | CHC | 4 | 10 | 7 | 2 | 1 | 16 | L |
| 7 | Dave Bush | 6/15 | @CLE | 3.1 | 6 | 8 | 2 | 2 | 16 | ND |
| 8 | Manny Parra | 6/13 | CHW | 1.2 | 6 | 6 | 3 | 0 | 16 | L |
| 9 | Manny Parra | 8/23 | @WSN | 3.1 | 8 | 5 | 1 | 0 | 17 | L |
| 10 | Carlos Villanueva | 8/17 | @PIT | 4 | 11 | 6 | 1 | 2 | 17 | L |