
There was a play called the flying wedge and it was banned in 1893. The forward pass was legalized to open up the game .Don hutson led the NFL in pass receptions eight times.
My book is cslled Football by Jhon F. Grabowski

Don Shula coached the dolphins and went undifeated in 1972. The army team went undefeated in 1946. They started makeing plays in the late ninteenth century.