MILWAUKEE >> Joc Pederson hit the wall at Miller Park so hard it injured Kike' Hernandez's ribs.A day after Pederson suffered a shoulder injury on his game-saving catch, it wasn't Pederson but Hernandez who went on the DL to clear a roster spot for right-hander Brock Stewart. Hernandez was placed on the DL with left ribcage inflammation and won't be eligible to return until after the All-Star break.