An agile, mobile QB who rushes, or one who is quick to launch a pass or to hand off the ball, all of those actions contribute to avoiding a sack, but the effectiveness of the linem... moreAn agile, mobile QB who rushes, or one who is quick to launch a pass or to hand off the ball, all of those actions contribute to avoiding a sack, but the effectiveness of the linemen in protecting the QB should not be excluded from the equation. ~