Ryan Leaf is one of the biggest busts in sports history , posting a starting quarterback record of 4 - 17 .
Throughout his career , Leaf started in 21 games throwing for 14 touchdowns and 36 interceptions .
Leaf   is one of the biggest busts in sports history , posting a starting quarterback record of 4 - 17 .
Throughout his career , Leaf started in 21 games throwing for 14 touchdowns and 36 interceptions .