| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 2.23 | 201505210_LAN_SFN |
| Kansas City Royals | KCA | 1.97 | 201505200_CIN_KCA |
| Oakland Athletics | OAK | 1.28 | 201505190_OAK_HOU |
| Baltimore Orioles | BAL | 1.12 | 201505210_SEA_BAL |
| Houston Astros | HOU | 0.96 | 201505210_HOU_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | -6.53 | 201505190_CHN_SDN |
| Atlanta Braves | ATL | -3.49 | 201505190_TBA_ATL |
| Colorado Rockies | COL | -3.38 | 201505210_PHI_COL |
| Arizona Diamondbacks | ARI | -1.64 | 201505210_ARI_MIA |
| Toronto Blue Jays | TOR | -1.52 | 201505210_ANA_TOR |
Based on accumulated WAA for this season up to 2015-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 2.05 | Dellin Betances | 23 | NYA |
| +032+ | 1.72 | Wade Davis | 19 | KCA |
| +033+ | 1.71 | Will Harris | 21.7 | HOU |
| +038+ | 1.6 | Roberto Osuna | 21.7 | TOR |
| +055+ | 1.41 | A.J. Ramos | 20 | MIA |
| +058+ | 1.37 | Carlos Villanueva | 18 | SLN |
| +061+ | 1.35 | George Kontos | 22 | SFN |
| +065+ | 1.29 | Brad Ziegler | 19.3 | ARI |
| +066+ | 1.28 | Trevor Rosenthal | 19.3 | SLN |
| XXXXX | 1.22 | Kevin Siegrist | 18.7 | SLN |
| XXXXX | 1.21 | Andrew Miller | 18.3 | NYA |
| XXXXX | 1.21 | Carson Smith | 18 | SEA |
| XXXXX | 1.2 | Juan Nicasio | 17.7 | LAN |
| XXXXX | 1.19 | Tony Watson | 23 | PIT |
| XXXXX | 1.17 | Drew Storen | 17.3 | WAS |
| XXXXX | 1.17 | David Robertson | 17.3 | CHA |
| XXXXX | 1.16 | Aroldis Chapman | 17.3 | CIN |
| XXXXX | 1.14 | Rob Scahill | 17.7 | PIT |
| XXXXX | 1.12 | Glen Perkins | 19.3 | MIN |
| XXXXX | 1.09 | Tony Sipp | 17 | HOU |
| XXXXX | 1.09 | Joakim Soria | 19 | DET |
| XXXXX | 1.07 | Junichi Tazawa | 19 | BOS |
| XXXXX | 1.07 | Darren O'Day | 16 | BAL |
| XXXXX | 1.05 | Jonathan Papelbon | 18 | PHI |
| XXXXX | 1.04 | Brad Boxberger | 16 | TBA |
_