| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 8.23 | 201304280_MIL_LAN |
| Felix Hernandez | SEA | 4.2 | 201304270_ANA_SEA |
| Doug Fister | DET | 3.76 | 201304280_ATL_DET |
| Kyle Lohse | MIL | 3.02 | 201304280_MIL_LAN |
| CC Sabathia | NYA | 2.79 | 201304270_TOR_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ubaldo Jimenez | CLE | -6.85 | 201304290_CLE_KCA |
| Jeff Francis | COL | -5.9 | 201304270_COL_ARI |
| Rick Porcello | DET | -4.99 | 201304270_ATL_DET |
| Joe Blanton | ANA | -3.46 | 201304270_ANA_SEA |
| J.A. Happ | TOR | -2.03 | 201304270_TOR_NYA |
Based on accumulated WAA for this season up to 2013-04-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.36 | Clay Buchholz | 37.7 | BOS |
| +005+ | 2.13 | Clayton Kershaw | 41.7 | LAN |
| +006+ | 2.11 | Matt Moore | 32 | TBA |
| +007+ | 2.09 | Matt Harvey | 40.3 | NYN |
| +008+ | 1.96 | Felix Hernandez | 42.7 | SEA |
| +009+ | 1.93 | Hisashi Iwakuma | 37.7 | SEA |
| +010+ | 1.88 | Anibal Sanchez | 33.7 | DET |
| +011+ | 1.87 | Adam Wainwright | 44.3 | SLN |
| +013+ | 1.85 | Jake Westbrook | 27.7 | SLN |
| +016+ | 1.75 | Mat Latos | 39.3 | CIN |
| +019+ | 1.73 | Yu Darvish | 32.7 | TEX |
| +022+ | 1.6 | Ervin Santana | 36 | KCA |
| +023+ | 1.59 | Jordan Zimmermann | 36 | WAS |
| +024+ | 1.55 | Madison Bumgarner | 33.7 | SFN |
| +025+ | 1.48 | Alex Cobb | 29.7 | TBA |
| +027+ | 1.44 | Kevin Correia | 36.3 | MIN |
| +032+ | 1.35 | Patrick Corbin | 33 | ARI |
| +033+ | 1.35 | Ross Detwiler | 31 | WAS |
| +035+ | 1.34 | Justin Verlander | 32.3 | DET |
| +037+ | 1.32 | Carlos Villanueva | 35.3 | CHN |
| +042+ | 1.28 | Shelby Miller | 30.7 | SLN |
| XXXXX | 1.23 | Travis Wood | 32 | CHN |
| XXXXX | 1.22 | Kyle Kendrick | 33.7 | PHI |
| XXXXX | 1.19 | Jon Lester | 31.7 | BOS |
| XXXXX | 1.07 | Doug Fister | 34 | DET |
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