What changed in American football?

Posted under american football then vs now On By FCY9ZWLtmU

Among these important changes were the introduction of the line of scrimmage, of down-and-distance rules, and of the legalization of forward pass and blocking. In the late 19th and early 20th centuries, gameplay developments by college coaches such as Eddie Cochems, Amos Alonzo Stagg, Parke H.