| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Billingham | CIN | -2.24 | 197206040_CIN_PHI |
| Ron Reed | ATL | -2.23 | 197206060_ATL_WAS |
| Ernie McAnally | WAS | -1.67 | 197206060_ATL_WAS |
| Tom Murphy | KCA | -1.44 | 197206060_MIL_KCA |
| Bill Champion | PHI | -1.42 | 197206040_CIN_PHI |
Based on accumulated WAA for this season up to 1972-06-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.14 | Don Sutton | 86.7 | LAN |
| +002+ | 3.72 | Gaylord Perry | 113 | CLE |
| +003+ | 3.71 | Wilbur Wood | 115.7 | CHA |
| +008+ | 2.89 | Claude Osteen | 72.7 | LAN |
| +014+ | 2.5 | Joe Coleman | 87.3 | DET |
| +018+ | 2.4 | Steve Stone | 75.3 | SFN |
| +017+ | 2.4 | Mickey Lolich | 108 | DET |
| +020+ | 2.31 | Tom Timmermann | 65.7 | DET |
| +021+ | 2.23 | Jim Palmer | 83 | BAL |
| +023+ | 2.12 | Jim Hunter | 96 | OAK |
| +024+ | 2.1 | Dick Drago | 81 | KCA |
| +025+ | 2.09 | Milt Wilcox | 72 | CLE |
| +031+ | 1.9 | Ken Holtzman | 93 | OAK |
| +035+ | 1.77 | Ferguson Jenkins | 101.3 | CHN |
| +036+ | 1.76 | Clyde Wright | 60.7 | ANA |
| +037+ | 1.74 | Jim Kaat | 65.3 | MIN |
| +041+ | 1.67 | Gary Nolan | 82 | CIN |
| +043+ | 1.56 | Al Downing | 71.7 | LAN |
| +044+ | 1.54 | Fred Norman | 68 | SDN |
| +050+ | 1.44 | Steve Kline | 51.3 | NYA |
| +058+ | 1.4 | Mel Stottlemyre | 83.3 | NYA |
| +061+ | 1.37 | Scipio Spinks | 77.7 | SLN |
| +063+ | 1.36 | Tom Griffin | 21 | HOU |
| +068+ | 1.32 | Bert Blyleven | 91.7 | MIN |
| XXXXX | 1.21 | Pat Dobson | 80.7 | BAL |
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