| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 10.32 | 197207030_BAL_DET |
| Wilbur Wood | CHA | 9.13 | 197207021_MIN_CHA |
| Don Sutton | LAN | 5.27 | 197207020_LAN_SFN |
| Joe Coleman | DET | 4.51 | 197207020_BAL_DET |
| Gary Nolan | CIN | 3.91 | 197207020_CIN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Champion | PHI | -2.77 | 197207040_SFN_PHI |
| Don Carrithers | SFN | -2.26 | 197207030_SFN_PHI |
| Denny McLain | ATL | -2.09 | 197207042_CHN_ATL |
| Jerry Reuss | HOU | -1.91 | 197207030_ATL_HOU |
| Carl Morton | WAS | -1.14 | 197207040_LAN_WAS |
Based on accumulated WAA for this season up to 1972-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.48 | Gaylord Perry | 164.7 | CLE |
| +006+ | 4.14 | Pat Dobson | 139.7 | BAL |
| +008+ | 4.12 | Wilbur Wood | 173 | CHA |
| +011+ | 3.94 | Jim Palmer | 129 | BAL |
| +012+ | 3.9 | Mickey Lolich | 158.3 | DET |
| +014+ | 3.81 | Gary Nolan | 123.3 | CIN |
| +018+ | 3.53 | Jim Hunter | 146.3 | OAK |
| +020+ | 3.51 | Don Sutton | 123 | LAN |
| +024+ | 3.12 | Joe Coleman | 132 | DET |
| +025+ | 3.09 | Jim Kaat | 113.3 | MIN |
| +031+ | 2.9 | Steve Kline | 87.7 | NYA |
| +036+ | 2.65 | Dick Drago | 131 | KCA |
| +041+ | 2.49 | Ken Holtzman | 135.3 | OAK |
| +044+ | 2.31 | Steve Carlton | 153.3 | PHI |
| +046+ | 2.28 | Tom Timmermann | 107.7 | DET |
| +047+ | 2.24 | Ray Corbin | 52 | MIN |
| +048+ | 2.24 | Ross Grimsley | 80 | CIN |
| +050+ | 2.22 | Mike Torrez | 110 | WAS |
| +051+ | 2.2 | Earl Stephenson | 42.7 | MIL |
| +052+ | 2.19 | Paul Splittorff | 114 | KCA |
| +054+ | 2.15 | Clyde Wright | 107.7 | ANA |
| +055+ | 2.11 | Mike Kekich | 104.3 | NYA |
| +059+ | 2.02 | Dave McNally | 112.3 | BAL |
| +061+ | 1.93 | Claude Osteen | 102.3 | LAN |
| +070+ | 1.76 | Roger Nelson | 34 | KCA |
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