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The first-place St. Louis Cardinals (56-32) play the second-place Pittsburgh Pirates (52-37) in the last MLB game before the All-Star break. The Cardinals' .636 winning percentage is the best in baseball. The Pirates' .598 winning percentage is the third-best in MLB, behind only the Royals and Cards. St. Louis leads the Buccos by 3.5 games in the National League Central standings.