| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 8.55 | 197205120_BAL_CHA |
| Tom Seaver | NYN | 7.56 | 197205111_LAN_NYN |
| Jim Palmer | BAL | 5.41 | 197205110_TEX_BAL |
| Mel Stottlemyre | NYA | 3.4 | 197205130_NYA_ANA |
| Mickey Lolich | DET | 2.84 | 197205130_DET_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Denny McLain | OAK | -2.89 | 197205120_BOS_OAK |
| Ron Reed | ATL | -2.88 | 197205120_CHN_ATL |
| Bob Moose | PIT | -2.86 | 197205130_PIT_HOU |
| Steve Renko | WAS | -2.55 | 197205110_SFN_WAS |
| Jerry Reuss | HOU | -2.11 | 197205110_HOU_SLN |
Based on accumulated WAA for this season up to 1972-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.23 | Don Sutton | 51.7 | LAN |
| +002+ | 2.77 | Wilbur Wood | 63 | CHA |
| +004+ | 2.31 | Milt Wilcox | 50.7 | CLE |
| +005+ | 2.21 | Dave McNally | 40.3 | BAL |
| +006+ | 2.11 | Steve Carlton | 59 | PHI |
| +009+ | 1.92 | Claude Osteen | 42.7 | LAN |
| +011+ | 1.85 | Mickey Lolich | 61.3 | DET |
| +014+ | 1.69 | Pete Broberg | 37.7 | TEX |
| +018+ | 1.59 | Gaylord Perry | 58 | CLE |
| +021+ | 1.39 | Tom Timmermann | 34 | DET |
| +024+ | 1.36 | Tom Seaver | 46.7 | NYN |
| +026+ | 1.32 | Mel Stottlemyre | 45.7 | NYA |
| XXXXX | 1.25 | Steve Arlin | 42.3 | SDN |
| XXXXX | 1.13 | Jim Perry | 34.7 | MIN |
| XXXXX | 1.13 | Paul Splittorff | 36 | KCA |
| XXXXX | 1.06 | Dick Drago | 46 | KCA |
| XXXXX | 1.06 | Mike Torrez | 25.7 | WAS |
| XXXXX | 1.02 | Joe Coleman | 42.7 | DET |
| XXXXX | 0.98 | Tommy John | 35.7 | LAN |
| XXXXX | 0.92 | Barry Lersch | 20.7 | PHI |
| XXXXX | 0.88 | Fred Norman | 43 | SDN |
| XXXXX | 0.86 | Milt Pappas | 36 | CHN |
| XXXXX | 0.83 | Clay Kirby | 48 | SDN |
| XXXXX | 0.81 | Jim Hunter | 45 | OAK |
| XXXXX | 0.8 | Scipio Spinks | 37.3 | SLN |
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