| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.94 | 197309281_CLE_BAL |
| Steve Rogers | WAS | 4.46 | 197309290_WAS_PIT |
| Nolan Ryan | ANA | 4.28 | 197309270_MIN_ANA |
| Ken Holtzman | OAK | 2.52 | 197309290_CHA_OAK |
| Nelson Briles | PIT | 1.97 | 197309290_WAS_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Woodie Fryman | DET | -3.84 | 197309280_DET_NYA |
| Milt Wilcox | CLE | -3.06 | 197309282_CLE_BAL |
| Clay Kirby | SDN | -1.96 | 197309290_LAN_SDN |
| Jim McGlothlin | CHA | -1.9 | 197309280_CHA_OAK |
| Pat Dobson | NYA | -1.56 | 197309270_NYA_MIL |
Based on accumulated WAA for this season up to 1973-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.21 | Tom Seaver | 284 | NYN |
| +003+ | 9.23 | Bert Blyleven | 317 | MIN |
| +005+ | 9.17 | Jim Palmer | 296.7 | BAL |
| +007+ | 7.2 | Don Sutton | 256.3 | LAN |
| +009+ | 7 | Nolan Ryan | 326 | ANA |
| +011+ | 6.88 | Steve Rogers | 134 | WAS |
| +012+ | 6.82 | Bill Lee | 284.7 | BOS |
| +014+ | 6.56 | Wayne Twitchell | 223.3 | PHI |
| +023+ | 5.44 | Steve Renko | 249.7 | WAS |
| +024+ | 5.38 | Andy Messersmith | 249.7 | LAN |
| +026+ | 5.34 | Ken Holtzman | 297.3 | OAK |
| +032+ | 4.98 | Dave Roberts | 243.3 | HOU |
| +033+ | 4.96 | Mel Stottlemyre | 273 | NYA |
| +034+ | 4.94 | Jack Billingham | 286.3 | CIN |
| +036+ | 4.73 | Doc Medich | 235 | NYA |
| +038+ | 4.65 | Nelson Briles | 218.7 | PIT |
| +041+ | 4.43 | Jerry Koosman | 254 | NYN |
| +044+ | 4.35 | Bob Gibson | 195 | SLN |
| +045+ | 4.33 | Lindy McDaniel | 159.7 | NYA |
| +055+ | 3.79 | Bill Singer | 315.7 | ANA |
| +058+ | 3.72 | Reggie Cleveland | 224 | SLN |
| +060+ | 3.63 | Jim Colborn | 306.3 | MIL |
| +061+ | 3.6 | Rick Reuschel | 230 | CHN |
| +067+ | 3.2 | Jim Rooker | 161.3 | PIT |
| +069+ | 3.15 | Dock Ellis | 192 | PIT |
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