| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 12.08 | 197206090_MIN_CLE |
| Wilbur Wood | CHA | 10.39 | 197206090_MIL_CHA |
| Don Sutton | LAN | 4.72 | 197206090_PIT_LAN |
| Tom Seaver | NYN | 4.65 | 197206080_CIN_NYN |
| Mel Stottlemyre | NYA | 4 | 197206080_NYA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Reggie Cleveland | SLN | -3.8 | 197206070_SLN_SFN |
| Jerry Reuss | HOU | -3.27 | 197206070_HOU_PHI |
| Jim Nash | ATL | -2.2 | 197206090_ATL_PHI |
| Bill Greif | SDN | -1.28 | 197206090_SLN_SDN |
| Bill Champion | PHI | -1.18 | 197206080_HOU_PHI |
Based on accumulated WAA for this season up to 1972-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.28 | Don Sutton | 93.7 | LAN |
| +002+ | 4.22 | Gaylord Perry | 122 | CLE |
| +004+ | 4 | Wilbur Wood | 124.7 | CHA |
| +009+ | 2.92 | Claude Osteen | 72.7 | LAN |
| +015+ | 2.52 | Joe Coleman | 87.3 | DET |
| +018+ | 2.43 | Mickey Lolich | 108 | DET |
| +019+ | 2.42 | Steve Stone | 75.3 | SFN |
| +020+ | 2.39 | Ken Holtzman | 102 | OAK |
| +023+ | 2.24 | Jim Palmer | 83 | BAL |
| +025+ | 2.1 | Milt Wilcox | 72 | CLE |
| +029+ | 1.95 | Dick Drago | 87 | KCA |
| +032+ | 1.92 | Tom Timmermann | 71.3 | DET |
| +036+ | 1.82 | Ferguson Jenkins | 101.3 | CHN |
| +038+ | 1.8 | Clyde Wright | 60.7 | ANA |
| +039+ | 1.79 | Jim Kaat | 65.3 | MIN |
| +042+ | 1.7 | Gary Nolan | 82 | CIN |
| +044+ | 1.68 | Burt Hooton | 85.7 | CHN |
| +050+ | 1.58 | Jim Hunter | 102.3 | OAK |
| +049+ | 1.58 | Al Downing | 71.7 | LAN |
| +051+ | 1.54 | Jon Matlack | 74 | NYN |
| +054+ | 1.5 | Pat Dobson | 89.7 | BAL |
| +063+ | 1.37 | Tom Griffin | 21 | HOU |
| XXXXX | 1.15 | Jim McAndrew | 46.3 | NYN |
| XXXXX | 1.11 | Mike Kekich | 76.3 | NYA |
| XXXXX | 1.05 | Steve Kline | 56.7 | NYA |
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