MLB Power Rankings: Week 21

By Danny Abriano

Aug 25, 2013; New York, NY, USA; Detroit Tigers designated hitter Victor Martinez (41) congratulates third baseman Miguel Cabrera (24) on his two run home run during the first inning against the New York Mets at Citi Field. Mandatory Credit: Anthony Gruppuso-USA TODAY Sports

The only major change this week was at the top of the rankings, where Atlanta was usurped by Detroit.

Here are the rankings for Week 20: