| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.72 | 197205220_CHA_TEX |
| Gaylord Perry | CLE | 8.82 | 197205230_CLE_NYA |
| Jim Palmer | BAL | 7.4 | 197205240_BAL_BOS |
| Mel Stottlemyre | NYA | 6.19 | 197205230_CLE_NYA |
| Don Sutton | LAN | 3.11 | 197205230_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Reggie Cleveland | SLN | -3.43 | 197205230_PIT_SLN |
| Jerry Janeski | TEX | -2.03 | 197205230_CHA_TEX |
| Bill Greif | SDN | -1.58 | 197205232_HOU_SDN |
| Carl Morton | WAS | -1.3 | 197205240_PHI_WAS |
| Tom Griffin | HOU | -1.26 | 197205231_HOU_SDN |
Based on accumulated WAA for this season up to 1972-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.69 | Wilbur Wood | 85.7 | CHA |
| +002+ | 2.99 | Don Sutton | 69.7 | LAN |
| +003+ | 2.96 | Gaylord Perry | 86 | CLE |
| +004+ | 2.89 | Claude Osteen | 59.7 | LAN |
| +005+ | 2.87 | Mickey Lolich | 79.3 | DET |
| +011+ | 2.26 | Milt Wilcox | 50.7 | CLE |
| +013+ | 2.16 | Fred Norman | 61 | SDN |
| +018+ | 1.94 | Steve Carlton | 77 | PHI |
| +019+ | 1.91 | Mel Stottlemyre | 62.7 | NYA |
| +020+ | 1.9 | Jim Kaat | 48 | MIN |
| +028+ | 1.53 | Jim Lonborg | 36.3 | MIL |
| +029+ | 1.5 | Jim Palmer | 56.7 | BAL |
| +031+ | 1.49 | Joe Coleman | 66.7 | DET |
| +033+ | 1.46 | Steve Stone | 49.7 | SFN |
| +035+ | 1.4 | Steve Arlin | 65 | SDN |
| +039+ | 1.37 | Pete Broberg | 50 | TEX |
| +040+ | 1.35 | Dick Drago | 65 | KCA |
| +042+ | 1.35 | Dave McNally | 57.3 | BAL |
| +043+ | 1.34 | Tom Timmermann | 45.3 | DET |
| +044+ | 1.31 | Gary Gentry | 55 | NYN |
| +045+ | 1.28 | Jim Shellenback | 31.7 | TEX |
| +046+ | 1.27 | Mike Torrez | 50.7 | WAS |
| XXXXX | 1.22 | Bill Singer | 54 | LAN |
| XXXXX | 1.18 | Ken Holtzman | 68 | OAK |
| XXXXX | 1.15 | Tom Griffin | 15.7 | HOU |
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