| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 9.62 | 197207160_CHA_BAL |
| Wilbur Wood | CHA | 6.61 | 197207160_CHA_BAL |
| Mel Stottlemyre | NYA | 4.02 | 197207160_OAK_NYA |
| Don Sutton | LAN | 3.59 | 197207160_WAS_LAN |
| Mickey Lolich | DET | 3.37 | 197207170_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Parsons | MIL | -2.9 | 197207162_ANA_MIL |
| George Stone | ATL | -1.48 | 197207160_ATL_CHN |
| Woodie Fryman | PHI | -1.41 | 197207160_PHI_SFN |
| Pete Broberg | TEX | -1.17 | 197207160_CLE_TEX |
| Al Santorini | SLN | -1.07 | 197207150_CIN_SLN |
Based on accumulated WAA for this season up to 1972-07-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.03 | Gaylord Perry | 195.7 | CLE |
| +004+ | 5.16 | Jim Palmer | 147.7 | BAL |
| +009+ | 4.56 | Gary Nolan | 138.3 | CIN |
| +012+ | 4.33 | Don Sutton | 147 | LAN |
| +013+ | 4.3 | Jim Hunter | 164.3 | OAK |
| +016+ | 4.18 | Joe Coleman | 156 | DET |
| +017+ | 4.12 | Pat Dobson | 158.7 | BAL |
| +019+ | 3.94 | Mickey Lolich | 190.7 | DET |
| +021+ | 3.76 | Wilbur Wood | 204.3 | CHA |
| +030+ | 3.11 | Jim Kaat | 113.3 | MIN |
| +032+ | 3.08 | Dick Drago | 155 | KCA |
| +037+ | 2.81 | Steve Carlton | 176.3 | PHI |
| +039+ | 2.75 | Steve Kline | 110 | NYA |
| +042+ | 2.65 | Dave McNally | 134.3 | BAL |
| +046+ | 2.49 | Johnny Odom | 88 | OAK |
| +052+ | 2.38 | Ken Holtzman | 158.3 | OAK |
| +051+ | 2.38 | Claude Osteen | 124.3 | LAN |
| +053+ | 2.29 | Bob Gibson | 142.7 | SLN |
| +056+ | 2.22 | Mike Paul | 67.7 | TEX |
| +059+ | 2.18 | Nolan Ryan | 133.3 | ANA |
| +063+ | 2.08 | Jon Matlack | 115.7 | NYN |
| +062+ | 2.08 | Mike Kekich | 123 | NYA |
| +064+ | 2.06 | Mike Cuellar | 121.3 | BAL |
| +065+ | 2.03 | Clyde Wright | 126 | ANA |
| +067+ | 1.98 | Ray Corbin | 62.3 | MIN |
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