While the extent of the injury is not known right now, Buffalo Bills rookie quarterback E.J. Manuel has just exited the game with a knee injury. Keep tuned to FFLockerRoom as if there happens to be further complications Ziad Dahdul will be right on top of it.Like what you read? Want to dominate your competition? Get this and all FFLockerRoom Fanatsy Sports advice sent to your Email for FREE. Rankings, featured articles and more!!!