Duke QB Renfree out with concussion

Duke quarterback Sean Renfree departed Saturday's 48-7 loss to Florida State due to a concussion.

It is unclear when Renfree suffered the injury. Prior to the hit, he completed 13-of-21 passes for 92 yards.

Anthony Boone took over under center for the start of the second half, but ended up completing just 3-of-15 attempts for 37 yards.