| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 4.92 | 201105170_SDN_ARI |
| San Francisco Giants | SFN | 4.51 | 201105170_SFN_COL |
| Oakland Athletics | OAK | 1.73 | 201105170_ANA_OAK |
| Florida Marlins | MIA | 1.7 | 201105160_MIA_NYN |
| Washington Nationals | WAS | 1.51 | 201105160_PIT_WAS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | -4.29 | 201105170_MIN_SEA |
| Houston Astros | HOU | -3.14 | 201105150_NYN_HOU |
| Arizona Diamondbacks | ARI | -1.8 | 201105150_ARI_LAN |
| Colorado Rockies | COL | -1.68 | 201105160_SFN_COL |
| Seattle Mariners | SEA | -1.47 | 201105160_MIN_SEA |
Based on accumulated WAA for this season up to 2011-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 1.9 | Drew Storen | 23.7 | WAS |
| +028+ | 1.79 | Sergio Santos | 20 | CHA |
| +033+ | 1.72 | Jonny Venters | 24.3 | ATL |
| +047+ | 1.47 | David Pauley | 23.3 | SEA |
| +048+ | 1.47 | Glen Perkins | 20.7 | MIN |
| +051+ | 1.42 | Francisco Rodriguez | 20.7 | NYN |
| +052+ | 1.39 | Eric O'Flaherty | 23 | ATL |
| +053+ | 1.39 | Mike Adams | 20.7 | SDN |
| +056+ | 1.38 | Aaron Crow | 20.3 | KCA |
| +060+ | 1.34 | Daniel McCutchen | 17 | PIT |
| +066+ | 1.29 | Aaron Laffey | 21.3 | SEA |
| XXXXX | 1.22 | Ryan Madson | 16 | PHI |
| XXXXX | 1.18 | Tyler Clippard | 25 | WAS |
| XXXXX | 1.16 | Joel Hanrahan | 19.7 | PIT |
| XXXXX | 1.15 | Carlos Villanueva | 22.3 | TOR |
| XXXXX | 1.13 | Brad Ziegler | 12.7 | OAK |
| XXXXX | 1.13 | Ramon S. Ramirez | 17 | SFN |
| XXXXX | 1.1 | Tony Sipp | 19.7 | CLE |
| XXXXX | 1.09 | Kyle Kendrick | 21.7 | PHI |
| XXXXX | 1.09 | Taylor Buchholz | 21.7 | NYN |
| XXXXX | 1.07 | Mariano Rivera | 19 | NYA |
| XXXXX | 1.03 | Grant Balfour | 18.7 | OAK |
| XXXXX | 1.01 | Javier Lopez | 15.7 | SFN |
| XXXXX | 1.01 | Vance Worley | 16 | PHI |
| XXXXX | 1 | Jose Valverde | 18 | DET |
_