MLB Power Rankings 2015: Week 7 Detroit Tigers stay at No. 3

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May 18, 2015; Miami, FL, USA; Arizona Diamondbacks left fielder David Peralta hits the game winning double in the thirteenth inning against the Miami Marlins at Marlins Park. The Diamondbacks won 3-2. Mandatory Credit: Robert Mayer-USA TODAY Sports

25. Arizona Diamondbacks (16-21)

The Diamondbacks spoiled Dan Jennings’ Marlins managerial debut on Monday. Still haven’t figured out who that is.