| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 13.28 | 197304250_CHA_NYA |
| Gaylord Perry | CLE | 8.62 | 197304240_CLE_OAK |
| Mickey Lolich | DET | 4.75 | 197304240_DET_TEX |
| Dave McNally | BAL | 3.94 | 197304250_BAL_ANA |
| Don Wilson | HOU | 2.6 | 197304250_NYN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wayne Simpson | KCA | -4.83 | 197304250_MIL_KCA |
| Carl Morton | ATL | -3.89 | 197304240_PHI_ATL |
| Steve Arlin | SDN | -1.39 | 197304240_SDN_PIT |
| Lynn McGlothen | BOS | -1.32 | 197304250_MIN_BOS |
| Bill Singer | ANA | -1.29 | 197304250_BAL_ANA |
Based on accumulated WAA for this season up to 1973-04-25.
| Rank | WAA | Name | IP | Tm |
|---|
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