| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Wilson | HOU | 2.29 | 197304082_HOU_ATL |
| Bert Blyleven | MIN | 2.19 | 197304100_MIN_ANA |
| Pat Dobson | ATL | 1.76 | 197304081_HOU_ATL |
| Al Downing | LAN | 0.7 | 197304100_LAN_HOU |
| Steve Carlton | PHI | 0.55 | 197304100_WAS_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | HOU | -5.76 | 197304090_LAN_HOU |
| Carl Morton | ATL | -4.65 | 197304090_CIN_ATL |
| Ernie McAnally | WAS | -3.11 | 197304080_WAS_CHN |
| Bill Singer | ANA | -3.05 | 197304100_MIN_ANA |
| Pete Broberg | TEX | -1.98 | 197304100_TEX_KCA |
Based on accumulated WAA for this season up to 1973-04-10.
| Rank | WAA | Name | IP | Tm |
|---|
_