Pirates stars McCutchen, Hayes land on IL; Choi returns

Andrew McCutchen and Ke'Bryan Hayes of the Pittsburgh Pirates placed on 10-day injured list
McCutchen has right elbow inflammation, Hayes has lower back inflammation
Both players will miss a minimum of 10 days, four days overlapping with All-Star break
McCutchen batting .268 with 10 homers, leads Pirates in on-base percentage
Hayes batting .252 with five homers, leads majors in triples