| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.89 | 197205260_CHA_OAK |
| Gaylord Perry | CLE | 10.08 | 197205270_CLE_BAL |
| Tom Seaver | NYN | 6.09 | 197205260_NYN_SLN |
| Mel Stottlemyre | NYA | 5.79 | 197205270_DET_NYA |
| Mickey Lolich | DET | 4.63 | 197205250_MIL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Reed | ATL | -2.56 | 197205260_SFN_ATL |
| Al Santorini | SLN | -2.53 | 197205270_NYN_SLN |
| Jerry Reuss | HOU | -2.38 | 197205270_LAN_HOU |
| Bill Champion | PHI | -1.92 | 197205270_PHI_PIT |
| Ernie McAnally | WAS | -1.89 | 197205260_WAS_CHN |
Based on accumulated WAA for this season up to 1972-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.43 | Wilbur Wood | 92.7 | CHA |
| +002+ | 3.02 | Don Sutton | 69.7 | LAN |
| +003+ | 2.92 | Claude Osteen | 59.7 | LAN |
| +004+ | 2.9 | Mickey Lolich | 85.3 | DET |
| +006+ | 2.8 | Gaylord Perry | 94 | CLE |
| +009+ | 2.41 | Milt Wilcox | 57.7 | CLE |
| +016+ | 2.02 | Mel Stottlemyre | 69.7 | NYA |
| +017+ | 1.93 | Jim Kaat | 48 | MIN |
| +023+ | 1.78 | Joe Coleman | 73.3 | DET |
| +024+ | 1.68 | Fred Norman | 65.3 | SDN |
| +027+ | 1.63 | Dave McNally | 66.3 | BAL |
| +030+ | 1.59 | Steve Carlton | 84 | PHI |
| +032+ | 1.57 | Jim Lonborg | 36.3 | MIL |
| +033+ | 1.53 | Tom Timmermann | 50.7 | DET |
| +035+ | 1.51 | Jim Palmer | 56.7 | BAL |
| +037+ | 1.5 | Gary Nolan | 68 | CIN |
| +040+ | 1.47 | Steve Stone | 49.7 | SFN |
| +041+ | 1.44 | Steve Arlin | 65 | SDN |
| +042+ | 1.43 | Ken Holtzman | 77 | OAK |
| +046+ | 1.4 | Dick Drago | 65 | KCA |
| +051+ | 1.28 | Gary Gentry | 55 | NYN |
| XXXXX | 1.18 | Al Downing | 56 | LAN |
| XXXXX | 1.15 | Tom Griffin | 15.7 | HOU |
| XXXXX | 1.11 | Jon Matlack | 55.7 | NYN |
| XXXXX | 1.08 | Bert Blyleven | 77.7 | MIN |
_