| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 16.72 | 197207280_CLE_BAL |
| Wilbur Wood | CHA | 5.77 | 197207271_KCA_CHA |
| Mickey Lolich | DET | 4.79 | 197207271_DET_MIL |
| Steve Kline | NYA | 4.01 | 197207282_BOS_NYA |
| Pat Dobson | BAL | 3.53 | 197207270_CLE_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Parsons | MIL | -1.91 | 197207271_DET_MIL |
| Stan Bahnsen | CHA | -1.8 | 197207272_KCA_CHA |
| Pete Broberg | TEX | -1.16 | 197207280_TEX_ANA |
| Ken Reynolds | PHI | -0.96 | 197207271_CHN_PHI |
| Ken Forsch | HOU | -0.9 | 197207270_LAN_HOU |
Based on accumulated WAA for this season up to 1972-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.3 | Gaylord Perry | 223.3 | CLE |
| +008+ | 4.96 | Jim Palmer | 155.3 | BAL |
| +009+ | 4.95 | Don Sutton | 156 | LAN |
| +010+ | 4.78 | Gary Nolan | 144.3 | CIN |
| +011+ | 4.73 | Jim Hunter | 179.7 | OAK |
| +013+ | 4.65 | Mickey Lolich | 206.7 | DET |
| +015+ | 4.61 | Joe Coleman | 179 | DET |
| +016+ | 4.55 | Steve Carlton | 205.3 | PHI |
| +018+ | 4.42 | Steve Kline | 135 | NYA |
| +019+ | 4.4 | Wilbur Wood | 228 | CHA |
| +024+ | 3.92 | Jon Matlack | 142.7 | NYN |
| +033+ | 3.4 | Pat Dobson | 173.3 | BAL |
| +036+ | 3.28 | Claude Osteen | 142.3 | LAN |
| +039+ | 3.13 | Jim Kaat | 113.3 | MIN |
| +047+ | 2.82 | Dave McNally | 160.3 | BAL |
| +048+ | 2.75 | Bob Gibson | 159.7 | SLN |
| +054+ | 2.59 | Ken Holtzman | 176.3 | OAK |
| +055+ | 2.57 | Ron Bryant | 152 | SFN |
| +056+ | 2.57 | Bill Slayback | 57.7 | DET |
| +066+ | 2.16 | Mel Stottlemyre | 165.3 | NYA |
| +067+ | 2.13 | Mike Paul | 78.3 | TEX |
| +069+ | 2.09 | Burt Hooton | 145.7 | CHN |
| +070+ | 2.05 | Steve Blass | 146.7 | PIT |
| +071+ | 2.03 | Mike Cuellar | 136.3 | BAL |
| +076+ | 1.97 | Mike Torrez | 145.7 | WAS |
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