| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4.25 | 201005050_TEX_OAK |
| Los Angeles Dodgers | LAN | 1.8 | 201005040_MIL_LAN |
| Atlanta Braves | ATL | 1.65 | 201005040_ATL_WAS |
| St. Louis Cardinals | SLN | 1.54 | 201005030_SLN_PHI |
| Boston Red Sox | BOS | 1.3 | 201005030_ANA_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Arizona Diamondbacks | ARI | -6.28 | 201005030_ARI_HOU |
| Milwaukee Brewers | MIL | -2.89 | 201005050_MIL_LAN |
| LA Angels of Anaheim | ANA | -1.54 | 201005050_ANA_BOS |
| Baltimore Orioles | BAL | -1.51 | 201005050_BAL_NYA |
| Kansas City Royals | KCA | -1.26 | 201005030_KCA_CHA |
Based on accumulated WAA for this season up to 2010-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 1.9 | C.J. Wilson | 32.7 | TEX |
| +025+ | 1.7 | Tyler Clippard | 19.7 | WAS |
| +034+ | 1.55 | Tim Stauffer | 18.3 | SDN |
| +037+ | 1.47 | Evan Meek | 17 | PIT |
| XXXXX | 1.24 | Manuel Corpas | 21.7 | COL |
| XXXXX | 1.23 | Carlos Villanueva | 14.7 | MIL |
| XXXXX | 1.21 | Joel Zumaya | 16.3 | DET |
| XXXXX | 1.16 | Matt Capps | 16.3 | WAS |
| XXXXX | 1.15 | Carlos Marmol | 13.7 | CHN |
| XXXXX | 1.07 | Matt Daley | 13.3 | COL |
| XXXXX | 1.06 | Andrew Bailey | 10.7 | OAK |
| XXXXX | 1.05 | Jose Valverde | 12.7 | DET |
| XXXXX | 1.05 | Kevin Gregg | 13 | TOR |
| XXXXX | 1.04 | Eddie Bonine | 14.7 | DET |
| XXXXX | 1.01 | Sergio Santos | 10.3 | CHA |
| XXXXX | 1 | Francisco Rodriguez | 12.7 | NYN |
| XXXXX | 0.94 | Luke Gregerson | 16.3 | SDN |
| XXXXX | 0.94 | Darren O'Day | 9.7 | TEX |
| XXXXX | 0.94 | Will Ohman | 9.3 | BAL |
| XXXXX | 0.92 | Arthur Rhodes | 11.7 | CIN |
| XXXXX | 0.9 | Mariano Rivera | 9 | NYA |
| XXXXX | 0.89 | Leo Nunez | 11.3 | MIA |
| XXXXX | 0.87 | Phil Coke | 15 | DET |
| XXXXX | 0.85 | Jonathan Broxton | 8.7 | LAN |
| XXXXX | 0.82 | Jenrry Mejia | 13 | NYN |
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