Cardinals manager Mike Matheny on opportunities facing Cardinals

St. Louis Cardinals manager Mike Matheny says other players have to step up the way Aledmys Diaz has this season. The rookie was the Cardinals' only participant in the All-Star Game
Up Next
St. Louis Cardinals manager Mike Matheny says other players have to step up the way Aledmys Diaz has this season. The rookie was the Cardinals' only participant in the All-Star Game