MLB Power Rankings 2015: Week 9 Detroit Tigers continue to fall
By Dave Holcomb

May 31, 2015; Houston, TX, USA; Houston Astros designated hitter Evan Gattis (11) hits a single against the Chicago White Sox in the ninth inning at Minute Maid Park. Chicago won 6 to 0. Mandatory Credit: Thomas B. Shea-USA TODAY Sports
5. Houston Astros (31-20)
Seven weeks and counting in first place.