Under Armour and Phillies' star first baseman Bryce Harper have been a perfect partnership so far. Whether you're a baseball ...

Philadelphia Phillies slugger Bryce Harper's ninth signature Under Armour cleat is dropping in a limited-edition "Phantastic" ...

WASHINGTON -- The jeers greeted the announcement of Bryce Harper's name during pregame introductions at Nationals Park on Thursday. And when he stepped to the plate in the top of the first inning.