| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 8.96 | 197205150_MIN_CHA |
| Tom Seaver | NYN | 7.78 | 197205160_WAS_NYN |
| Jim Palmer | BAL | 5.77 | 197205150_BAL_DET |
| Ferguson Jenkins | CHN | 3.97 | 197205150_CHN_PHI |
| Mickey Lolich | DET | 3.05 | 197205170_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Reed | ATL | -2.4 | 197205170_ATL_HOU |
| Reggie Cleveland | SLN | -2.36 | 197205170_SLN_PIT |
| Jack Billingham | CIN | -2.32 | 197205162_CIN_SFN |
| Jerry Reuss | HOU | -2.12 | 197205160_ATL_HOU |
| Rich Hand | TEX | -1.89 | 197205160_TEX_KCA |
Based on accumulated WAA for this season up to 1972-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.22 | Don Sutton | 51.7 | LAN |
| +002+ | 3.18 | Wilbur Wood | 71.7 | CHA |
| +005+ | 2.3 | Mickey Lolich | 70.3 | DET |
| +006+ | 2.27 | Milt Wilcox | 50.7 | CLE |
| +008+ | 2.12 | Dave McNally | 47.3 | BAL |
| +007+ | 2.12 | Steve Carlton | 68 | PHI |
| +010+ | 1.92 | Claude Osteen | 42.7 | LAN |
| +011+ | 1.87 | Gaylord Perry | 68 | CLE |
| +021+ | 1.56 | Steve Arlin | 49.3 | SDN |
| +023+ | 1.55 | Fred Norman | 52 | SDN |
| +025+ | 1.43 | Tommy John | 41.7 | LAN |
| +030+ | 1.31 | Mel Stottlemyre | 45.7 | NYA |
| XXXXX | 1.19 | Bill Singer | 47 | LAN |
| XXXXX | 1.12 | Joe Coleman | 49.7 | DET |
| XXXXX | 1.11 | Tom Seaver | 52 | NYN |
| XXXXX | 1.08 | Milt Pappas | 44.3 | CHN |
| XXXXX | 1.07 | Steve Kline | 42.7 | NYA |
| XXXXX | 1.06 | Jim Kaat | 30 | MIN |
| XXXXX | 1.06 | Ray Culp | 46.7 | BOS |
| XXXXX | 1.04 | Mike Torrez | 33.7 | WAS |
| XXXXX | 1.03 | Ken Holtzman | 62 | OAK |
| XXXXX | 1.02 | Gary Gentry | 48 | NYN |
| XXXXX | 1.02 | Pete Broberg | 41.7 | TEX |
| XXXXX | 1.01 | Jim Shellenback | 24.7 | TEX |
| XXXXX | 0.96 | Scipio Spinks | 44.3 | SLN |
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