| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.16 | 197205010_NYN_SFN |
| Gaylord Perry | CLE | 6.24 | 197205020_CLE_TEX |
| Dave McNally | BAL | 3.97 | 197205020_CHA_BAL |
| Bert Blyleven | MIN | 3.92 | 197205030_MIN_MIL |
| Ferguson Jenkins | CHN | 3.17 | 197205030_ATL_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Reggie Cleveland | SLN | -3.52 | 197205030_CIN_SLN |
| Don Carrithers | SFN | -3.48 | 197205020_NYN_SFN |
| Jerry Reuss | HOU | -3.35 | 197205030_HOU_PIT |
| Steve Renko | WAS | -3.35 | 197205020_WAS_SDN |
| Ron Reed | ATL | -2.72 | 197205020_ATL_CHN |
Based on accumulated WAA for this season up to 1972-05-03.
| Rank | WAA | Name | IP | Tm |
|---|
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