Wherever he was taken down , that 's where the offense has to start their next play .
Sack : When the QB is tackled before he passes the ball off to someone else , behind the line of scrimmage .
Wherever QB was taken down , that 's where the offense has to start their next play .
Sack : When the QB is tackled before he passes the ball off to someone else , behind the line of scrimmage .