Browns ballyhooed rookie quarterback Johnny Manziel has been knocked out of the Sunday game at Carolina late in the second quarter.
Manziel took a hard hit to the shoulder after sprinting for no gain to the left sideline. He was down for a bit before trainers took him to the sideline, then to the locker room. They were checking his left leg. He has been deemed questionable to return with a hamstring injury
Previous starter Brian Hoyer replaced him.
Manziel struggled again during his stint against the Panthers. He completed just 3 of 8 for 32 yards.