Schwarber, Bruno power I-Cubs' sweep
Duo combines for four homers, nine RBIs in doubleheader
Reassigned by the Cubs to refine his powerful but flawed swing, Kyle Schwarber is tormenting Pacific Coast League pitchers.The 2015 All-Star Futures Game MVP homered twice for the second straight night Saturday as Triple-A Iowa beat Round Rock, 5-2, to complete a sweep of its doubleheader. In the opener, Stephen