| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Koosman | NYN | 7.05 | 197005031_NYN_SDN |
| Bill Hands | CHN | 3.53 | 197005040_CHN_HOU |
| Andy Messersmith | ANA | 2.74 | 197005050_TEX_ANA |
| Claude Osteen | LAN | 2.51 | 197005030_WAS_LAN |
| Luis Tiant | MIN | 1.94 | 197005050_MIN_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lew Krausse | MIL | -2.98 | 197005032_MIL_NYA |
| Bill Stoneman | WAS | -2.71 | 197005050_SFN_WAS |
| Jim Bouton | HOU | -2.01 | 197005040_CHN_HOU |
| Chuck Dobson | OAK | -1.52 | 197005032_OAK_TEX |
| George Brunet | TEX | -1.51 | 197005050_TEX_ANA |
Based on accumulated WAA for this season up to 1970-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 2.69 | Wayne Simpson | 46.7 | CIN |
| +007+ | 2.34 | Tom Seaver | 51.7 | NYN |
| +008+ | 2.32 | Jim Hunter | 53.3 | OAK |
| +011+ | 2.03 | Claude Osteen | 48 | LAN |
| +012+ | 1.94 | Tom Phoebus | 31.3 | BAL |
| +013+ | 1.91 | Jim Merritt | 56.7 | CIN |
| +017+ | 1.76 | Joe Niekro | 45.7 | DET |
| +019+ | 1.7 | Jim Perry | 44 | MIN |
| +020+ | 1.68 | Gary Gentry | 36.7 | NYN |
| +023+ | 1.61 | Jim Kaat | 45.3 | MIN |
| +024+ | 1.58 | Nolan Ryan | 33 | NYN |
| +027+ | 1.53 | Dave Roberts | 26.3 | SDN |
| +028+ | 1.52 | Don Sutton | 47 | LAN |
| +032+ | 1.38 | Gary Nolan | 43.7 | CIN |
| +033+ | 1.36 | Bill Hands | 42.3 | CHN |
| XXXXX | 1.21 | Sam McDowell | 47.7 | CLE |
| XXXXX | 1.19 | Carl Morton | 22 | WAS |
| XXXXX | 1.17 | Mickey Lolich | 62.7 | DET |
| XXXXX | 1.14 | Jerry Koosman | 45 | NYN |
| XXXXX | 1.08 | Danny Coombs | 23.7 | SDN |
| XXXXX | 0.97 | Denny Lemaster | 43 | HOU |
| XXXXX | 0.89 | Jim Ray | 21.3 | HOU |
| XXXXX | 0.89 | John Cumberland | 20 | NYA |
| XXXXX | 0.88 | Sandy Vance | 20 | LAN |
| XXXXX | 0.87 | Jerry Janeski | 37 | CHA |
_