| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.03 | 197308250_SFN_NYN |
| Don Sutton | LAN | 5.97 | 197308260_LAN_PHI |
| Bert Blyleven | MIN | 5.85 | 197308260_MIL_MIN |
| Jim Palmer | BAL | 5.59 | 197308260_KCA_BAL |
| Ken Holtzman | OAK | 4.19 | 197308260_NYA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Wilcox | CLE | -3.49 | 197308262_TEX_CLE |
| Woodie Fryman | DET | -2.71 | 197308262_DET_CHA |
| Mike Torrez | WAS | -1.51 | 197308250_SDN_WAS |
| Dave Goltz | MIN | -1.28 | 197308250_MIL_MIN |
| Mike Paul | TEX | -1.04 | 197308262_TEX_CLE |
Based on accumulated WAA for this season up to 1973-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.47 | Tom Seaver | 232.7 | NYN |
| +003+ | 7.09 | Don Sutton | 224.7 | LAN |
| +005+ | 6.86 | Ken Holtzman | 255.3 | OAK |
| +009+ | 6.69 | Bert Blyleven | 256.7 | MIN |
| +010+ | 6.5 | Jim Palmer | 235 | BAL |
| +011+ | 6.22 | Wayne Twitchell | 192.7 | PHI |
| +014+ | 5.69 | Bill Lee | 225.7 | BOS |
| +019+ | 5.06 | Rick Reuschel | 207.3 | CHN |
| +022+ | 4.9 | Terry Forster | 129.7 | CHA |
| +028+ | 4.58 | Nelson Briles | 185.3 | PIT |
| +030+ | 4.49 | Fred Beene | 89 | NYA |
| +031+ | 4.48 | Ron Bryant | 229.7 | SFN |
| +032+ | 4.29 | Steve Renko | 196.7 | WAS |
| +034+ | 4.08 | Bill Singer | 246.3 | ANA |
| +033+ | 4.08 | Nolan Ryan | 261 | ANA |
| +035+ | 4.04 | Jim Colborn | 246.7 | MIL |
| +036+ | 3.92 | Bob Gibson | 189 | SLN |
| +039+ | 3.64 | Steve Rogers | 66 | WAS |
| +040+ | 3.63 | Tommy John | 170.3 | LAN |
| +041+ | 3.62 | Andy Messersmith | 210.7 | LAN |
| +044+ | 3.6 | Dave McNally | 211 | BAL |
| +050+ | 3.4 | Dave Roberts | 188 | HOU |
| +051+ | 3.36 | Ross Grimsley | 196 | CIN |
| +052+ | 3.34 | Stan Bahnsen | 235.7 | CHA |
| +054+ | 3.25 | Claude Osteen | 203.7 | LAN |
_