MLB Power Rankings: Detroit Tigers stay put at No. 19

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Aug 23, 2015; San Diego, CA, USA; St. Louis Cardinals shortstop Jhonny Peralta (27) slides in safely to score on a triple by right fielder Jason Heyward (not pictured) during the seventh inning against the San Diego Padres at Petco Park. Mandatory Credit: Jake Roth-USA TODAY Sports

1. St. Louis Cardinals (78-45)

Just 5-5 in the last 10 games? Don’t look now, but the NL Central is beginning to heat up.