We were learning plays and they were saying things like, Pistol 19 and Left 22.. my friend said each position has a number like quarterbacks are 1, and recievers are 4 I think.. how does that work and what are the numbers?We were learning plays and they were saying things like, Pistol 19 and Left 22.. my friend said each position has a number like quarterbacks are 1, and recievers are 4 I think.. how does that work and what are the numbers?

Are you offense or defense