| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Whitson | SDN | 6.26 | 199104140_SDN_LAN |
| Chuck Finley | ANA | 5.98 | 199104140_ANA_MIN |
| Doug Drabek | PIT | 5.23 | 199104130_PIT_CHN |
| Roger Clemens | BOS | 3.86 | 199104130_CLE_BOS |
| Dave Stewart | OAK | 3.02 | 199104140_SEA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Hawkins | NYA | -4.74 | 199104140_NYA_KCA |
| Jack Morris | MIN | -4.51 | 199104140_ANA_MIN |
| Kevin Gross | LAN | -4.21 | 199104130_SDN_LAN |
| Jeff Robinson | BAL | -2.83 | 199104140_BAL_TEX |
| Storm Davis | KCA | -2.67 | 199104120_NYA_KCA |
Based on accumulated WAA for this season up to 1991-04-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.41 | Roger Clemens | 17 | BOS |
| +002+ | 1.35 | Mike Boddicker | 17 | KCA |
| XXXXX | 1.25 | Tom Candiotti | 15 | CLE |
| XXXXX | 1.23 | Jack McDowell | 18 | CHA |
| XXXXX | 0.91 | Jimmy Key | 15 | TOR |
| XXXXX | 0.87 | Frank Viola | 15 | NYN |
| XXXXX | 0.86 | Kevin Tapani | 9 | MIN |
| XXXXX | 0.79 | Scott Sanderson | 8 | NYA |
| XXXXX | 0.75 | Chris Bosio | 8 | MIL |
| XXXXX | 0.74 | Dennis Martinez | 12 | WAS |
| XXXXX | 0.73 | Kevin Appier | 8 | KCA |
| XXXXX | 0.73 | Mike Bielecki | 8 | CHN |
| XXXXX | 0.73 | Greg Hibbard | 8 | CHA |
| XXXXX | 0.73 | Greg Maddux | 8 | CHN |
| XXXXX | 0.64 | Joe Slusarski | 7 | OAK |
| XXXXX | 0.63 | Dwight Gooden | 17 | NYN |
| XXXXX | 0.61 | Walt Terrell | 6.7 | DET |
| XXXXX | 0.61 | Mike Morgan | 6.7 | LAN |
| XXXXX | 0.59 | Dave Johnson | 6.3 | BAL |
| XXXXX | 0.58 | Scott Garrelts | 6 | SFN |
| XXXXX | 0.57 | Charles Nagy | 8 | CLE |
| XXXXX | 0.57 | Tom Browning | 15.3 | CIN |
| XXXXX | 0.57 | Jason Grimsley | 6.3 | PHI |
| XXXXX | 0.56 | Mark Langston | 6 | ANA |
| XXXXX | 0.55 | John Smiley | 8 | PIT |
_