| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 13.1 | 197206130_CLE_ANA |
| Wilbur Wood | CHA | 10.23 | 197206130_CHA_NYA |
| Ferguson Jenkins | CHN | 5.53 | 197206140_SDN_CHN |
| Clyde Wright | ANA | 3.59 | 197206150_CLE_ANA |
| Tom Seaver | NYN | 3.47 | 197206130_NYN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Nash | ATL | -2.2 | 197206140_NYN_ATL |
| Tom Murphy | KCA | -1.99 | 197206150_KCA_BOS |
| Jack Billingham | CIN | -1.51 | 197206140_PHI_CIN |
| Nelson Briles | PIT | -1.41 | 197206151_SFN_PIT |
| Bill Greif | SDN | -1.11 | 197206150_SDN_CHN |
Based on accumulated WAA for this season up to 1972-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.75 | Wilbur Wood | 133.7 | CHA |
| +003+ | 4.61 | Gaylord Perry | 132.7 | CLE |
| +004+ | 4.31 | Don Sutton | 93.7 | LAN |
| +006+ | 3.36 | Claude Osteen | 81 | LAN |
| +013+ | 2.77 | Joe Coleman | 95.3 | DET |
| +014+ | 2.71 | Jim Palmer | 92 | BAL |
| +018+ | 2.66 | Dick Drago | 96 | KCA |
| +020+ | 2.55 | Milt Wilcox | 80.7 | CLE |
| +023+ | 2.39 | Ken Holtzman | 110 | OAK |
| +029+ | 2.21 | Mickey Lolich | 123.3 | DET |
| +030+ | 2.19 | Gary Nolan | 91 | CIN |
| +031+ | 2.18 | Pat Dobson | 98.7 | BAL |
| +032+ | 2.14 | Jim Hunter | 112.3 | OAK |
| +036+ | 2.04 | Clyde Wright | 74.7 | ANA |
| +039+ | 1.96 | Jim Kaat | 72.3 | MIN |
| +043+ | 1.88 | Burt Hooton | 88 | CHN |
| +044+ | 1.87 | Tom Timmermann | 75.7 | DET |
| +048+ | 1.84 | Bill Hands | 84.7 | CHN |
| +053+ | 1.79 | Dave McNally | 93.7 | BAL |
| +052+ | 1.79 | Steve Stone | 88.7 | SFN |
| +060+ | 1.61 | Mike Kekich | 82.7 | NYA |
| +066+ | 1.55 | Scipio Spinks | 90.7 | SLN |
| +067+ | 1.55 | Tom Griffin | 26 | HOU |
| +068+ | 1.51 | Jon Matlack | 81.7 | NYN |
| +074+ | 1.39 | Steve Kline | 63.7 | NYA |
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