May 18, 2015
The Fueled by Sports weekly MLB Power Rankings are decided by each team’s results from the previous week and their overall record.
| Rank | Team | Record | Change |
|---|---|---|---|
| 1 | Cardinals | 25-12 | – |
| 2 | Royals | 24-14 |  |
| 3 | Dodgers | 24-13 | |
| 4 | Astros | 25-13 |  |
| 5 | Tigers | 23-15 | |
| 6 | Cubs | 21-16 | |
| 7 | Nationals | 22-17 | |
| 8 | Mets | 22-16 | |
| 9 | Yankees | 22-17 | |
| 10 | Rays | 21-18 | |
| 11 | Giants | 20-18 | – |
| 12 | Twins | 21-17 | |
| 13 | Angels | 19-18 | |
| 14 | Pirates | 18-20 | |
| 15 | Padres | 19-20 | |
| 16 | Reds | 18-20 | |
| 17 | Braves | 18-19 | |
| 18 | Red Sox | 18-20 | – |
| 19 | Mariners | 17-20 | |
| 20 | White Sox | 17-17 | |
| 21 | Blue Jays | 17-22 | |
| 22 | Orioles | 16-19 | |
| 23 | Marlins | 16-22 | |
| 24 | Indians | 14-22 | |
| 25 | Rangers | 16-22 | – |
| 26 | Diamondbacks | 15-21 | |
| 27 | Phillies | 16-23 | |
| 28 | Brewers | 13-25 | – |
| 29 | Athletics | 13-26 | |
| 30 | Rockies | 13-21 | |