What is the difference between a touch back and a nickel back in football?
A touch back is when a Kick Return or a Punt Return has landed into the opposing EndZone and is placed on the 20 yard line, or if the opposing team catches the ball in the End Zone and Kneels. A nickle back is a third Corner Back in 3-4 Formations or Cover 2 Formations they are usually their to Cover the Slot Reciever.