| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.11 | 197205291_CHA_ANA |
| Gaylord Perry | CLE | 10.08 | 197205270_CLE_BAL |
| Jim Palmer | BAL | 8.02 | 197205280_CLE_BAL |
| Mel Stottlemyre | NYA | 5.79 | 197205270_DET_NYA |
| Mickey Lolich | DET | 4.5 | 197205291_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Reggie Cleveland | SLN | -3.53 | 197205280_NYN_SLN |
| Jim Nash | ATL | -2.73 | 197205290_SDN_ATL |
| Jerry Reuss | HOU | -2.38 | 197205270_LAN_HOU |
| Bill Champion | PHI | -1.92 | 197205270_PHI_PIT |
| Tom Murphy | KCA | -1.6 | 197205270_KCA_ANA |
Based on accumulated WAA for this season up to 1972-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.42 | Don Sutton | 77.7 | LAN |
| +002+ | 3.1 | Mickey Lolich | 92.3 | DET |
| +003+ | 3.06 | Wilbur Wood | 98.7 | CHA |
| +004+ | 2.93 | Claude Osteen | 59.7 | LAN |
| +005+ | 2.9 | Gaylord Perry | 94 | CLE |
| +008+ | 2.6 | Jim Kaat | 57 | MIN |
| +012+ | 2.47 | Milt Wilcox | 57.7 | CLE |
| +019+ | 2.04 | Mel Stottlemyre | 69.7 | NYA |
| +020+ | 2.03 | Jim Palmer | 65.7 | BAL |
| +022+ | 1.95 | Steve Stone | 58.7 | SFN |
| +026+ | 1.85 | Joe Coleman | 73.3 | DET |
| +027+ | 1.75 | Steve Arlin | 74 | SDN |
| +028+ | 1.73 | Fred Norman | 65.3 | SDN |
| +029+ | 1.69 | Steve Carlton | 84 | PHI |
| +030+ | 1.66 | Dave McNally | 66.3 | BAL |
| +034+ | 1.58 | Tom Timmermann | 50.7 | DET |
| +035+ | 1.55 | Dick Drago | 72 | KCA |
| +038+ | 1.54 | Gary Nolan | 68 | CIN |
| +048+ | 1.47 | Ken Holtzman | 77 | OAK |
| +050+ | 1.46 | Steve Kline | 51.3 | NYA |
| +051+ | 1.45 | Pat Dobson | 71.7 | BAL |
| +053+ | 1.34 | Jim Lonborg | 44.3 | MIL |
| +054+ | 1.32 | Tom Griffin | 20.7 | HOU |
| XXXXX | 1.19 | Al Downing | 56 | LAN |
| XXXXX | 1.16 | Jon Matlack | 55.7 | NYN |
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