Cubs Replace Struggling Pitcher in Bullpen

The Chicago Cubs have replaced struggling relief pitcher Ethan Roberts with veteran Tom Cosgrove prior to Sunday’s series finale against the Philadelphia Phillies. Roberts, 27, allowed four earned runs in Saturday’s 10-4 loss at Wrigley Field.

Roberts was called up on April 9, and has pitched in nine games for the Cubs since. The right-handed reliever got off to a great start, with five straight scoreless appearances. However, Roberts has struggled as of late coming in to pitch in tough...