| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Halladay | PHI | 9.08 | 201004210_PHI_ATL |
| CC Sabathia | NYA | 5.36 | 201004220_NYA_OAK |
| Dan Haren | ARI | 4.99 | 201004200_SLN_ARI |
| Johan Santana | NYN | 4.69 | 201004220_CHN_NYN |
| Felix Hernandez | SEA | 4.64 | 201004210_BAL_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Charlie Morton | PIT | -3.18 | 201004200_MIL_PIT |
| Kyle Kendrick | PHI | -2.64 | 201004200_PHI_ATL |
| Gio Gonzalez | OAK | -1.88 | 201004200_NYA_OAK |
| Felipe Paulino | HOU | -1.71 | 201004220_MIA_HOU |
| Homer Bailey | CIN | -1.62 | 201004200_LAN_CIN |
Based on accumulated WAA for this season up to 2010-04-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.61 | Roy Halladay | 33 | PHI |
| +003+ | 2.12 | Ubaldo Jimenez | 28.3 | COL |
| +004+ | 1.97 | Livan Hernandez | 24 | WAS |
| +006+ | 1.87 | Matt Garza | 24 | TBA |
| +008+ | 1.53 | Tim Lincecum | 20 | SFN |
| +009+ | 1.51 | Carlos Silva | 19 | CHN |
| +010+ | 1.51 | Mike Pelfrey | 21 | NYN |
| +013+ | 1.45 | Felix Hernandez | 29.3 | SEA |
| +014+ | 1.42 | Francisco Liriano | 21 | MIN |
| +017+ | 1.4 | John Danks | 21 | CHA |
| +018+ | 1.39 | Andy Pettitte | 20 | NYA |
| +021+ | 1.36 | Adam Wainwright | 24 | SLN |
| +020+ | 1.36 | Ricky Romero | 23 | TOR |
| +023+ | 1.32 | C.J. Wilson | 19.7 | TEX |
| +025+ | 1.29 | Brad Penny | 21 | SLN |
| +026+ | 1.26 | Doug Fister | 19 | SEA |
| XXXXX | 1.17 | Joel Pineiro | 20.3 | ANA |
| XXXXX | 1.04 | Barry Zito | 19.3 | SFN |
| XXXXX | 1.04 | Jonathan Sanchez | 19.3 | SFN |
| XXXXX | 1.01 | J.A. Happ | 10.3 | PHI |
| XXXXX | 0.98 | Hiroki Kuroda | 20.7 | LAN |
| XXXXX | 0.98 | Jaime Garcia | 13 | SLN |
| XXXXX | 0.95 | Dana Eveland | 18.7 | TOR |
| XXXXX | 0.93 | Mitch Talbot | 20 | CLE |
| XXXXX | 0.89 | Jered Weaver | 26 | ANA |
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