| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 3.94 | 197304070_CHA_TEX |
| Gaylord Perry | CLE | 2.66 | 197304070_DET_CLE |
| Mickey Lolich | DET | 2.52 | 197304070_DET_CLE |
| Don Wilson | HOU | 2.29 | 197304082_HOU_ATL |
| Pat Dobson | ATL | 1.76 | 197304081_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wayne Simpson | KCA | -5.62 | 197304070_KCA_ANA |
| Ron Reed | ATL | -3.91 | 197304082_HOU_ATL |
| Ernie McAnally | WAS | -3.11 | 197304080_WAS_CHN |
| Dick Bosman | TEX | -2.03 | 197304070_CHA_TEX |
| Steve Arlin | SDN | -1.68 | 197304080_LAN_SDN |
Based on accumulated WAA for this season up to 1973-04-08.
| Rank | WAA | Name | IP | Tm |
|---|
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