| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 12.53 | 197206170_CLE_OAK |
| Wilbur Wood | CHA | 11.21 | 197206171_CHA_BOS |
| Jim Palmer | BAL | 8.91 | 197206160_BAL_MIN |
| Ferguson Jenkins | CHN | 3.26 | 197206180_LAN_CHN |
| Tom Seaver | NYN | 3.25 | 197206180_NYN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Renko | WAS | -3.47 | 197206162_WAS_ATL |
| Jerry Reuss | HOU | -2.36 | 197206180_PHI_HOU |
| Reggie Cleveland | SLN | -1.88 | 197206170_SFN_SLN |
| Ron Reed | ATL | -1.63 | 197206162_WAS_ATL |
| Bill Champion | PHI | -1.41 | 197206180_PHI_HOU |
Based on accumulated WAA for this season up to 1972-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.45 | Wilbur Wood | 141.7 | CHA |
| +003+ | 4.42 | Gaylord Perry | 138.7 | CLE |
| +004+ | 4.26 | Don Sutton | 93.7 | LAN |
| +007+ | 3.39 | Joe Coleman | 104.3 | DET |
| +008+ | 3.33 | Jim Palmer | 100.7 | BAL |
| +012+ | 3.13 | Claude Osteen | 87 | LAN |
| +015+ | 3 | Ken Holtzman | 119 | OAK |
| +019+ | 2.81 | Mickey Lolich | 132.3 | DET |
| +020+ | 2.8 | Dick Drago | 104 | KCA |
| +025+ | 2.61 | Pat Dobson | 107.7 | BAL |
| +026+ | 2.59 | Gary Nolan | 100 | CIN |
| +029+ | 2.48 | Burt Hooton | 97 | CHN |
| +032+ | 2.22 | Milt Wilcox | 84.7 | CLE |
| +036+ | 2.08 | Jim Hunter | 112.3 | OAK |
| +040+ | 2.04 | Steve Kline | 72.7 | NYA |
| +042+ | 2.01 | Tom Timmermann | 83.7 | DET |
| +045+ | 1.99 | Clyde Wright | 74.7 | ANA |
| +047+ | 1.96 | Steve Carlton | 121.3 | PHI |
| +049+ | 1.95 | Jim Kaat | 81.3 | MIN |
| +051+ | 1.87 | Tom Griffin | 30.7 | HOU |
| +057+ | 1.76 | Bill Hands | 84.7 | CHN |
| +058+ | 1.74 | Dave McNally | 93.7 | BAL |
| +059+ | 1.71 | Steve Stone | 88.7 | SFN |
| +063+ | 1.61 | Clay Kirby | 109.7 | SDN |
| +069+ | 1.6 | Scipio Spinks | 98 | SLN |
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