Raiders rookie quarterback Derek Carr suffered a concussion during Friday night’s preseason game against the Lions.
Derek Carr suffered a concussion, #Raiders coach Dennis Allen said. "The concussion is why he was out of the game," Allen said.
— Steve Corkran (@CorkOnTheNFL) August 16, 2014
Dennis Allen said #Raiders rookie quarterback Derek Carr is feeling a lot better. x-rays on ribs negative, going though concussion protocol
— Vic Tafur (@VicTafur) August 16, 2014
Carr completed 9 of 16 passes for 109 yards and a touchdown.