| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 9.36 | 197206230_CHA_TEX |
| Joe Coleman | DET | 4.16 | 197206242_DET_BAL |
| Tom Seaver | NYN | 3.72 | 197206240_SLN_NYN |
| Clyde Wright | ANA | 3.62 | 197206240_ANA_OAK |
| Don Sutton | LAN | 3.36 | 197206241_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Nash | PHI | -2.14 | 197206230_PHI_WAS |
| Bill Greif | SDN | -1.95 | 197206240_SFN_SDN |
| Don Carrithers | SFN | -1.76 | 197206240_SFN_SDN |
| Ken Brett | MIL | -1.64 | 197206230_BOS_MIL |
| Jerry Reuss | HOU | -1.48 | 197206230_HOU_CIN |
Based on accumulated WAA for this season up to 1972-06-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.82 | Gaylord Perry | 147.7 | CLE |
| +003+ | 4.46 | Joe Coleman | 123.3 | DET |
| +004+ | 4.16 | Wilbur Wood | 155 | CHA |
| +005+ | 3.89 | Don Sutton | 107.3 | LAN |
| +007+ | 3.85 | Jim Palmer | 109.7 | BAL |
| +015+ | 3.14 | Claude Osteen | 94.7 | LAN |
| +016+ | 3.11 | Pat Dobson | 113.7 | BAL |
| +020+ | 2.95 | Jim Kaat | 99.3 | MIN |
| +021+ | 2.88 | Ken Holtzman | 128 | OAK |
| +022+ | 2.83 | Mickey Lolich | 140.3 | DET |
| +023+ | 2.83 | Gary Nolan | 107.7 | CIN |
| +026+ | 2.71 | Dick Drago | 110 | KCA |
| +029+ | 2.58 | Clyde Wright | 92.7 | ANA |
| +031+ | 2.53 | Jim Hunter | 123.3 | OAK |
| +037+ | 2.31 | Tom Timmermann | 92.7 | DET |
| +045+ | 2.08 | Steve Kline | 72.7 | NYA |
| +050+ | 1.91 | Mike Kekich | 89.3 | NYA |
| +051+ | 1.9 | Al Downing | 89.3 | LAN |
| +057+ | 1.82 | Milt Wilcox | 89.3 | CLE |
| +060+ | 1.79 | Mike Torrez | 94 | WAS |
| +063+ | 1.7 | Dave Hamilton | 36.7 | OAK |
| +064+ | 1.69 | Burt Hooton | 100 | CHN |
| +066+ | 1.65 | Ross Grimsley | 64 | CIN |
| +067+ | 1.64 | Scipio Spinks | 98 | SLN |
| +068+ | 1.63 | Dave McNally | 105.3 | BAL |
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