The Pittsburgh Pirates placed infielder Erik Gonzalez (oblique) on the 10-day injured list on Friday with a right oblique strain and recalled infielder Wilmer Difo from Triple-A Indianapolis in a corresponding move. The Bucs also transferred right-hander Trevor Cahill (calf) to the 60-day injured list. Gonzalez suffered the oblique injury on Thursday night. He was hitting just .232 with two homers and 21 RBI, but he could've seen more time at first base with Colin Moran recently going on the...