| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | HOU | -3.27 | 197206120_WAS_HOU |
| Steve Renko | WAS | -2.86 | 197206110_CIN_WAS |
| Reggie Cleveland | SLN | -2.56 | 197206120_LAN_SLN |
| Ron Reed | ATL | -1.63 | 197206110_ATL_PHI |
| Bill Gogolewski | TEX | -1.25 | 197206100_BAL_TEX |
Based on accumulated WAA for this season up to 1972-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.29 | Don Sutton | 93.7 | LAN |
| +003+ | 4.21 | Gaylord Perry | 122 | CLE |
| +004+ | 3.99 | Wilbur Wood | 124.7 | CHA |
| +006+ | 3.34 | Claude Osteen | 81 | LAN |
| +013+ | 2.71 | Jim Palmer | 92 | BAL |
| +014+ | 2.7 | Joe Coleman | 95.3 | DET |
| +017+ | 2.62 | Dick Drago | 96 | KCA |
| +019+ | 2.5 | Milt Wilcox | 80 | CLE |
| +024+ | 2.38 | Ken Holtzman | 110 | OAK |
| +025+ | 2.21 | Steve Stone | 83.7 | SFN |
| +027+ | 2.18 | Pat Dobson | 98.7 | BAL |
| +028+ | 2.16 | Gary Nolan | 91 | CIN |
| +030+ | 2.09 | Ferguson Jenkins | 110.3 | CHN |
| +035+ | 1.91 | Tom Timmermann | 71.3 | DET |
| +036+ | 1.9 | Jim Kaat | 72.3 | MIN |
| +039+ | 1.86 | Burt Hooton | 88 | CHN |
| +040+ | 1.85 | Mickey Lolich | 114.3 | DET |
| +054+ | 1.64 | Clyde Wright | 66.7 | ANA |
| +056+ | 1.62 | Tom Griffin | 24.3 | HOU |
| +058+ | 1.59 | Jim Hunter | 102.3 | OAK |
| +060+ | 1.55 | Jon Matlack | 74 | NYN |
| +070+ | 1.38 | Steve Kline | 63.7 | NYA |
| +071+ | 1.35 | Bill Hands | 75.7 | CHN |
| +075+ | 1.31 | Al Downing | 76.3 | LAN |
| XXXXX | 1.23 | Dave McNally | 83.7 | BAL |
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