| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 5.15 | 198409150_PIT_SLN |
| Detroit Tigers | DET | 1.82 | 198409160_TOR_DET |
| Houston Astros | HOU | 1.51 | 198409140_SDN_HOU |
| California Angels | ANA | 1.44 | 198409160_CHA_ANA |
| Pittsburgh Pirates | PIT | 1.37 | 198409160_PIT_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | -5.14 | 198409150_CLE_OAK |
| San Francisco Giants | SFN | -2.94 | 198409140_SFN_ATL |
| Seattle Mariners | SEA | -2.56 | 198409160_KCA_SEA |
| Cincinnati Reds | CIN | -2 | 198409160_LAN_CIN |
| Minnesota Twins | MIN | -0.51 | 198409150_MIN_TEX |
Based on accumulated WAA for this season up to 1984-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +010+ | 6.13 | Bruce Sutter | 116.3 | SLN |
| +014+ | 5.63 | Willie Hernandez | 130.3 | DET |
| +021+ | 5.13 | Larry McWilliams | 209.7 | PIT |
| +045+ | 3.89 | Larry Andersen | 89.3 | PHI |
| +046+ | 3.85 | Bill Dawley | 83.3 | HOU |
| +057+ | 3.45 | Craig Lefferts | 100.7 | SDN |
| +066+ | 3.26 | Dave Righetti | 87.3 | NYA |
| +071+ | 3.17 | Ernie Camacho | 93.7 | CLE |
| +078+ | 3.05 | Aurelio Lopez | 127.3 | DET |
| +079+ | 3.05 | Dan Quisenberry | 116.3 | KCA |
| +081+ | 2.99 | Doug Corbett | 79 | ANA |
| +086+ | 2.91 | Dave Rucker | 73 | SLN |
| +090+ | 2.82 | Jay Howell | 96.7 | NYA |
| +093+ | 2.66 | Dave Smith | 72.3 | HOU |
| +107+ | 2.31 | Rich Bordi | 82.3 | CHN |
| +119+ | 2.11 | Luis Sanchez | 81 | ANA |
| +124+ | 2.05 | Dave Schmidt | 70.3 | TEX |
| +132+ | 1.92 | Ted Power | 100.3 | CIN |
| +134+ | 1.91 | Tom Tellmann | 80.3 | MIL |
| +139+ | 1.82 | Julio Solano | 44 | HOU |
| +142+ | 1.78 | Ray Searage | 27 | MIL |
| +143+ | 1.76 | Gary Lavelle | 94 | SFN |
| +145+ | 1.71 | Gene Garber | 99.3 | ATL |
| +147+ | 1.69 | Don Aase | 31 | ANA |
| +148+ | 1.68 | Bill Caudill | 85.7 | OAK |
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