| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 12.08 | 197206090_MIN_CLE |
| Wilbur Wood | CHA | 10.39 | 197206090_MIL_CHA |
| Ferguson Jenkins | CHN | 5.7 | 197206100_CHN_SFN |
| Don Sutton | LAN | 4.72 | 197206090_PIT_LAN |
| Tom Seaver | NYN | 4.65 | 197206080_CIN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Santorini | SLN | -2.32 | 197206100_SLN_SDN |
| Jim Nash | ATL | -2.2 | 197206090_ATL_PHI |
| Bill Greif | SDN | -1.28 | 197206090_SLN_SDN |
| Bill Gogolewski | TEX | -1.25 | 197206100_BAL_TEX |
| Tom Murphy | KCA | -1.21 | 197206100_NYA_KCA |
Based on accumulated WAA for this season up to 1972-06-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.29 | Don Sutton | 93.7 | LAN |
| +002+ | 4.24 | Gaylord Perry | 122 | CLE |
| +004+ | 4.02 | Wilbur Wood | 124.7 | CHA |
| +006+ | 3.34 | Claude Osteen | 81 | LAN |
| +016+ | 2.53 | Joe Coleman | 87.3 | DET |
| +017+ | 2.51 | Milt Wilcox | 80 | CLE |
| +019+ | 2.41 | Ken Holtzman | 102 | OAK |
| +023+ | 2.25 | Jim Palmer | 83 | BAL |
| +024+ | 2.23 | Steve Stone | 83.7 | SFN |
| +026+ | 2.1 | Ferguson Jenkins | 110.3 | CHN |
| +028+ | 1.96 | Dick Drago | 87 | KCA |
| +032+ | 1.92 | Tom Timmermann | 71.3 | DET |
| +034+ | 1.88 | Mickey Lolich | 114.3 | DET |
| +040+ | 1.81 | Jim Kaat | 65.3 | MIN |
| +044+ | 1.71 | Gary Nolan | 82 | CIN |
| +046+ | 1.69 | Burt Hooton | 85.7 | CHN |
| +049+ | 1.65 | Clyde Wright | 66.7 | ANA |
| +051+ | 1.63 | Tom Griffin | 24.3 | HOU |
| +054+ | 1.59 | Al Downing | 71.7 | LAN |
| +053+ | 1.59 | Jim Hunter | 102.3 | OAK |
| +057+ | 1.55 | Jon Matlack | 74 | NYN |
| +059+ | 1.51 | Pat Dobson | 89.7 | BAL |
| +075+ | 1.25 | Dave McNally | 83.7 | BAL |
| XXXXX | 1.16 | Jim McAndrew | 46.3 | NYN |
| XXXXX | 1.11 | Mike Kekich | 76.3 | NYA |
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