| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 8.55 | 197205120_BAL_CHA |
| Tom Seaver | NYN | 7.56 | 197205111_LAN_NYN |
| Gaylord Perry | CLE | 5.86 | 197205100_KCA_CLE |
| Jim Palmer | BAL | 5.41 | 197205110_TEX_BAL |
| Don Sutton | LAN | 2.62 | 197205120_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Denny McLain | OAK | -2.89 | 197205120_BOS_OAK |
| Ron Reed | ATL | -2.88 | 197205120_CHN_ATL |
| Steve Renko | WAS | -2.55 | 197205110_SFN_WAS |
| Jerry Reuss | HOU | -2.11 | 197205110_HOU_SLN |
| Reggie Cleveland | SLN | -1.98 | 197205120_SLN_CIN |
Based on accumulated WAA for this season up to 1972-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.21 | Don Sutton | 51.7 | LAN |
| +002+ | 2.76 | Wilbur Wood | 63 | CHA |
| +003+ | 2.29 | Milt Wilcox | 50.7 | CLE |
| +004+ | 2.2 | Dave McNally | 40.3 | BAL |
| +011+ | 1.78 | Steve Carlton | 52 | PHI |
| +012+ | 1.66 | Pete Broberg | 37.7 | TEX |
| +015+ | 1.57 | Gaylord Perry | 58 | CLE |
| +016+ | 1.5 | Claude Osteen | 34.3 | LAN |
| +020+ | 1.39 | Tom Timmermann | 34 | DET |
| +022+ | 1.35 | Mickey Lolich | 52.3 | DET |
| +023+ | 1.34 | Tom Seaver | 46.7 | NYN |
| XXXXX | 1.24 | Steve Arlin | 42.3 | SDN |
| XXXXX | 1.19 | Jim Perry | 34.7 | MIN |
| XXXXX | 1.12 | Paul Splittorff | 36 | KCA |
| XXXXX | 1.07 | Dick Drago | 38 | KCA |
| XXXXX | 1.05 | Mike Torrez | 25.7 | WAS |
| XXXXX | 1.01 | Joe Coleman | 42.7 | DET |
| XXXXX | 0.97 | Tommy John | 35.7 | LAN |
| XXXXX | 0.94 | Ken Holtzman | 47 | OAK |
| XXXXX | 0.86 | Milt Pappas | 36 | CHN |
| XXXXX | 0.85 | Pat Dobson | 39.3 | BAL |
| XXXXX | 0.81 | Clay Kirby | 48 | SDN |
| XXXXX | 0.8 | Jim Hunter | 45 | OAK |
| XXXXX | 0.78 | Scipio Spinks | 37.3 | SLN |
| XXXXX | 0.76 | Barry Lersch | 18.7 | PHI |
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