| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 7.97 | 197204210_CHN_NYN |
| Ferguson Jenkins | CHN | 3.73 | 197204200_CHN_PIT |
| Mel Stottlemyre | NYA | 2.98 | 197204210_NYA_BOS |
| Gaylord Perry | CLE | 2.85 | 197204190_CLE_BOS |
| Dave McNally | BAL | 2.72 | 197204210_BAL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Kekich | NYA | -3.4 | 197204190_MIL_NYA |
| Jerry Reuss | HOU | -3.26 | 197204190_HOU_CIN |
| Ken Brett | MIL | -2.05 | 197204190_MIL_NYA |
| Ron Reed | ATL | -1.57 | 197204210_CIN_ATL |
| Tom Timmermann | DET | -0.89 | 197204200_DET_BAL |
Based on accumulated WAA for this season up to 1972-04-21.
| Rank | WAA | Name | IP | Tm |
|---|
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