| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 9.82 | 197205190_ANA_CHA |
| Gaylord Perry | CLE | 7.55 | 197205190_CLE_DET |
| Jim Palmer | BAL | 6.09 | 197205200_BAL_MIL |
| Mel Stottlemyre | NYA | 4.76 | 197205190_BOS_NYA |
| Don Sutton | LAN | 3.3 | 197205180_HOU_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Santorini | SLN | -2.41 | 197205180_CHN_SLN |
| Bill Champion | PHI | -1.94 | 197205202_NYN_PHI |
| Bob Moose | PIT | -1.91 | 197205190_WAS_PIT |
| Jack Billingham | CIN | -1.64 | 197205200_CIN_SDN |
| Les Cain | DET | -1.09 | 197205190_CLE_DET |
Based on accumulated WAA for this season up to 1972-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.54 | Wilbur Wood | 79.7 | CHA |
| +002+ | 3.21 | Don Sutton | 60.7 | LAN |
| +003+ | 2.55 | Claude Osteen | 51.7 | LAN |
| +005+ | 2.3 | Gaylord Perry | 77 | CLE |
| +007+ | 2.26 | Milt Wilcox | 50.7 | CLE |
| +008+ | 2.25 | Mickey Lolich | 70.3 | DET |
| +010+ | 2.1 | Steve Carlton | 68 | PHI |
| +011+ | 1.99 | Mel Stottlemyre | 54.7 | NYA |
| +016+ | 1.79 | Dave McNally | 51.3 | BAL |
| +017+ | 1.76 | Steve Arlin | 58 | SDN |
| +026+ | 1.53 | Fred Norman | 52 | SDN |
| +029+ | 1.42 | Pete Broberg | 50 | TEX |
| +032+ | 1.39 | Tommy John | 41.7 | LAN |
| +033+ | 1.38 | Tom Timmermann | 45.3 | DET |
| +034+ | 1.35 | Joe Coleman | 58.7 | DET |
| XXXXX | 1.24 | Mike Torrez | 41.7 | WAS |
| XXXXX | 1.15 | Bill Singer | 47 | LAN |
| XXXXX | 1.15 | Jim Kaat | 37 | MIN |
| XXXXX | 1.1 | Tom Seaver | 52 | NYN |
| XXXXX | 1.1 | Jim Palmer | 50.7 | BAL |
| XXXXX | 1.07 | Ray Culp | 46.7 | BOS |
| XXXXX | 1.06 | Jon Matlack | 48.7 | NYN |
| XXXXX | 1.04 | Steve Kline | 42.7 | NYA |
| XXXXX | 1.01 | Gary Gentry | 48 | NYN |
| XXXXX | 1 | Scipio Spinks | 53.3 | SLN |
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