| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.89 | 197205260_CHA_OAK |
| Jim Palmer | BAL | 7.4 | 197205240_BAL_BOS |
| Tom Seaver | NYN | 6.09 | 197205260_NYN_SLN |
| Mickey Lolich | DET | 4.63 | 197205250_MIL_DET |
| Bert Blyleven | MIN | 2.66 | 197205260_TEX_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Reed | ATL | -2.56 | 197205260_SFN_ATL |
| Ernie McAnally | WAS | -1.89 | 197205260_WAS_CHN |
| Nelson Briles | PIT | -1.78 | 197205260_PHI_PIT |
| Vince Colbert | CLE | -0.68 | 197205240_CLE_NYA |
| Les Cain | DET | -0.61 | 197205240_MIL_DET |
Based on accumulated WAA for this season up to 1972-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.36 | Wilbur Wood | 92.7 | CHA |
| +002+ | 2.99 | Don Sutton | 69.7 | LAN |
| +003+ | 2.98 | Gaylord Perry | 86 | CLE |
| +004+ | 2.89 | Claude Osteen | 59.7 | LAN |
| +006+ | 2.86 | Mickey Lolich | 85.3 | DET |
| +009+ | 2.36 | Milt Wilcox | 57.7 | CLE |
| +019+ | 1.9 | Jim Kaat | 48 | MIN |
| +021+ | 1.87 | Mel Stottlemyre | 62.7 | NYA |
| +026+ | 1.63 | Fred Norman | 65.3 | SDN |
| +027+ | 1.6 | Steve Carlton | 84 | PHI |
| +030+ | 1.54 | Jim Lonborg | 36.3 | MIL |
| +032+ | 1.51 | Tom Timmermann | 50.7 | DET |
| +035+ | 1.48 | Jim Palmer | 56.7 | BAL |
| +037+ | 1.46 | Joe Coleman | 66.7 | DET |
| +036+ | 1.46 | Gary Nolan | 68 | CIN |
| +038+ | 1.45 | Steve Stone | 49.7 | SFN |
| +040+ | 1.4 | Steve Arlin | 65 | SDN |
| +041+ | 1.39 | Ken Holtzman | 77 | OAK |
| +044+ | 1.35 | Dick Drago | 65 | KCA |
| +046+ | 1.33 | Dave McNally | 57.3 | BAL |
| +048+ | 1.26 | Mike Torrez | 50.7 | WAS |
| XXXXX | 1.25 | Gary Gentry | 55 | NYN |
| XXXXX | 1.21 | Bill Singer | 54 | LAN |
| XXXXX | 1.15 | Tom Griffin | 15.7 | HOU |
| XXXXX | 1.15 | Al Downing | 56 | LAN |
_