49ers first round draft choice injured in first quarter of first game

San Francisco 49ers first round draft choice linebacker Reuben Foster (56) twists his ankle tackling Carolina Panthers' Christian McCaffrey (22) in the first quarter at Levi's Stadium in Santa Clara, California on September 10, 2017. Foster left the game on a cart as the Panthers mauled the 49ers 23-3. Photo by Terry Schmitt/UPI