| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 13.06 | 197206251_NYA_CLE |
| Jim Palmer | BAL | 10.56 | 197206250_DET_BAL |
| Wilbur Wood | CHA | 9.36 | 197206230_CHA_TEX |
| Joe Coleman | DET | 4.16 | 197206242_DET_BAL |
| Tom Seaver | NYN | 3.72 | 197206240_SLN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Murphy | KCA | -2.18 | 197206252_MIN_KCA |
| Jim Nash | PHI | -2.14 | 197206230_PHI_WAS |
| Bill Greif | SDN | -1.95 | 197206240_SFN_SDN |
| Don Carrithers | SFN | -1.76 | 197206240_SFN_SDN |
| Ken Brett | MIL | -1.64 | 197206230_BOS_MIL |
Based on accumulated WAA for this season up to 1972-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.8 | Gaylord Perry | 156 | CLE |
| +003+ | 4.45 | Joe Coleman | 123.3 | DET |
| +004+ | 4.32 | Jim Palmer | 118.7 | BAL |
| +005+ | 4.13 | Wilbur Wood | 155 | CHA |
| +008+ | 3.87 | Don Sutton | 107.3 | LAN |
| +015+ | 3.19 | Jim Hunter | 132.3 | OAK |
| +017+ | 3.13 | Claude Osteen | 94.7 | LAN |
| +019+ | 3.09 | Pat Dobson | 113.7 | BAL |
| +021+ | 2.95 | Jim Kaat | 99.3 | MIN |
| +022+ | 2.87 | Ken Holtzman | 128 | OAK |
| +024+ | 2.82 | Mickey Lolich | 140.3 | DET |
| +025+ | 2.8 | Gary Nolan | 107.7 | CIN |
| +028+ | 2.59 | Clyde Wright | 92.7 | ANA |
| +035+ | 2.35 | Tom Timmermann | 98.7 | DET |
| +041+ | 2.23 | Dick Drago | 115 | KCA |
| +045+ | 2.14 | Steve Kline | 78.7 | NYA |
| +046+ | 2.1 | Scipio Spinks | 107 | SLN |
| +047+ | 2.1 | Earl Stephenson | 33.3 | MIL |
| +048+ | 2.07 | Steve Carlton | 135.3 | PHI |
| +055+ | 1.92 | Mike Kekich | 89.3 | NYA |
| +056+ | 1.89 | Al Downing | 89.3 | LAN |
| +063+ | 1.8 | Milt Wilcox | 89.3 | CLE |
| +064+ | 1.77 | Mike Torrez | 94 | WAS |
| +068+ | 1.7 | Dave Hamilton | 36.7 | OAK |
| +071+ | 1.64 | Tommy John | 77.7 | LAN |
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