| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.72 | 197205220_CHA_TEX |
| Tom Seaver | NYN | 6.3 | 197205210_NYN_PHI |
| Jim Palmer | BAL | 6.09 | 197205200_BAL_MIL |
| Mickey Lolich | DET | 3.26 | 197205210_CLE_DET |
| Bert Blyleven | MIN | 2.77 | 197205211_MIN_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Renko | WAS | -3.67 | 197205212_WAS_PIT |
| Jerry Reuss | HOU | -3.09 | 197205210_HOU_LAN |
| Ron Reed | ATL | -2.92 | 197205212_ATL_SFN |
| Bill Champion | PHI | -1.94 | 197205202_NYN_PHI |
| Ron Bryant | SFN | -1.89 | 197205212_ATL_SFN |
Based on accumulated WAA for this season up to 1972-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.77 | Wilbur Wood | 85.7 | CHA |
| +002+ | 3.22 | Don Sutton | 60.7 | LAN |
| +003+ | 2.95 | Mickey Lolich | 79.3 | DET |
| +004+ | 2.56 | Claude Osteen | 51.7 | LAN |
| +007+ | 2.34 | Gaylord Perry | 77 | CLE |
| +009+ | 2.28 | Milt Wilcox | 50.7 | CLE |
| +010+ | 2.21 | Fred Norman | 61 | SDN |
| +016+ | 1.98 | Mel Stottlemyre | 54.7 | NYA |
| +017+ | 1.96 | Steve Carlton | 77 | PHI |
| +021+ | 1.79 | Dave McNally | 51.3 | BAL |
| +022+ | 1.78 | Steve Arlin | 58 | SDN |
| +032+ | 1.41 | Pete Broberg | 50 | TEX |
| +034+ | 1.39 | Tom Timmermann | 45.3 | DET |
| +036+ | 1.36 | Joe Coleman | 58.7 | DET |
| +038+ | 1.32 | Mike Torrez | 50.7 | WAS |
| +039+ | 1.31 | Jim Shellenback | 31.7 | TEX |
| +041+ | 1.26 | Bill Singer | 54 | LAN |
| XXXXX | 1.23 | Ken Holtzman | 68 | OAK |
| XXXXX | 1.19 | Jim Kaat | 37 | MIN |
| XXXXX | 1.1 | Jim Palmer | 50.7 | BAL |
| XXXXX | 1.07 | Jon Matlack | 48.7 | NYN |
| XXXXX | 1.04 | Mike Kekich | 48 | NYA |
| XXXXX | 1.04 | Steve Kline | 42.7 | NYA |
| XXXXX | 1.02 | Gary Gentry | 48 | NYN |
| XXXXX | 1 | Tom Seaver | 59 | NYN |
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