| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 9.72 | 197209200_PHI_SLN |
| Jim Palmer | BAL | 9.58 | 197209201_BAL_BOS |
| Gaylord Perry | CLE | 9.42 | 197209220_NYA_CLE |
| Wilbur Wood | CHA | 7.47 | 197209200_CHA_OAK |
| Steve Kline | NYA | 4.37 | 197209220_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Carrithers | SFN | -3.09 | 197209200_SFN_CIN |
| George Stone | ATL | -2.8 | 197209200_HOU_ATL |
| Wayne Twitchell | PHI | -1.3 | 197209210_PHI_SLN |
| Gary Gentry | NYN | -0.6 | 197209210_PIT_NYN |
| Don Gullett | CIN | -0.4 | 197209200_SFN_CIN |
Based on accumulated WAA for this season up to 1972-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.52 | Gaylord Perry | 322.7 | CLE |
| +004+ | 9.17 | Steve Carlton | 320.3 | PHI |
| +008+ | 8.05 | Jim Palmer | 256 | BAL |
| +011+ | 7.35 | Jim Hunter | 273.3 | OAK |
| +014+ | 7.11 | Wilbur Wood | 356.7 | CHA |
| +016+ | 6.76 | Don Sutton | 254.7 | LAN |
| +021+ | 5.69 | Steve Kline | 221 | NYA |
| +023+ | 5.45 | Nolan Ryan | 257.3 | ANA |
| +028+ | 5 | Mickey Lolich | 297.3 | DET |
| +030+ | 4.92 | Luis Tiant | 153.7 | BOS |
| +035+ | 4.7 | Steve Blass | 238 | PIT |
| +036+ | 4.66 | Bob Gibson | 251 | SLN |
| +037+ | 4.63 | Gary Nolan | 171 | CIN |
| +041+ | 4.37 | Pat Dobson | 257.3 | BAL |
| +044+ | 4.36 | Jon Matlack | 220.7 | NYN |
| +046+ | 4.15 | Joe Coleman | 264.7 | DET |
| +052+ | 3.92 | Roger Nelson | 155.3 | KCA |
| +053+ | 3.85 | Mike Cuellar | 234.3 | BAL |
| +055+ | 3.66 | Mike Paul | 148.3 | TEX |
| +059+ | 3.58 | Ken Holtzman | 248.3 | OAK |
| +064+ | 3.3 | Dick Woodson | 229.7 | MIN |
| +066+ | 3.21 | Johnny Odom | 179.3 | OAK |
| +070+ | 3.11 | Jim Kaat | 113.3 | MIN |
| +071+ | 3.08 | Claude Osteen | 225.7 | LAN |
| +073+ | 2.99 | Dick Tidrow | 220.7 | CLE |
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