| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 13.54 | 197207061_TEX_CLE |
| Wilbur Wood | CHA | 7.87 | 197207050_BAL_CHA |
| Mickey Lolich | DET | 5.3 | 197207050_DET_KCA |
| Pat Dobson | BAL | 4.81 | 197207040_BAL_CHA |
| Clyde Wright | ANA | 3.11 | 197207060_MIL_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Champion | PHI | -2.77 | 197207040_SFN_PHI |
| Denny McLain | ATL | -2.09 | 197207042_CHN_ATL |
| Bill Gogolewski | TEX | -1.35 | 197207061_TEX_CLE |
| Carl Morton | WAS | -1.14 | 197207040_LAN_WAS |
| Mike Kilkenny | CLE | -1.11 | 197207040_TEX_CLE |
Based on accumulated WAA for this season up to 1972-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.46 | Gaylord Perry | 173.7 | CLE |
| +003+ | 4.52 | Wilbur Wood | 181 | CHA |
| +009+ | 4.13 | Pat Dobson | 139.7 | BAL |
| +012+ | 3.93 | Jim Palmer | 129 | BAL |
| +013+ | 3.82 | Joe Coleman | 141 | DET |
| +015+ | 3.81 | Gary Nolan | 123.3 | CIN |
| +017+ | 3.52 | Jim Hunter | 146.3 | OAK |
| +020+ | 3.5 | Don Sutton | 123 | LAN |
| +023+ | 3.39 | Steve Kline | 96.7 | NYA |
| +026+ | 3.1 | Jim Kaat | 113.3 | MIN |
| +028+ | 3.06 | Mickey Lolich | 163.7 | DET |
| +034+ | 2.7 | Dave McNally | 121.3 | BAL |
| +037+ | 2.65 | Earl Stephenson | 51.3 | MIL |
| +039+ | 2.64 | Dick Drago | 131 | KCA |
| +042+ | 2.45 | Paul Splittorff | 123 | KCA |
| +043+ | 2.4 | Nolan Ryan | 116.3 | ANA |
| +049+ | 2.28 | Steve Carlton | 153.3 | PHI |
| +048+ | 2.28 | Tom Timmermann | 107.7 | DET |
| +053+ | 2.25 | Ken Holtzman | 143.3 | OAK |
| +052+ | 2.25 | Ray Corbin | 52 | MIN |
| +054+ | 2.23 | Ross Grimsley | 80 | CIN |
| +057+ | 2.12 | Mike Kekich | 110 | NYA |
| +061+ | 1.98 | Claude Osteen | 111.3 | LAN |
| +063+ | 1.94 | Mike Cuellar | 103.3 | BAL |
| +069+ | 1.76 | Mike Torrez | 117.7 | WAS |
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