NFL League or National Football League is a professional American Football League. It consists of 32 teams. National Football League is divided between National Football Conference (NFC) and the American Football Conference (AFC). Being one of the major professional sports league in the United States, particularly in North America, National Football League is a 17 week regular season that begins the week after Labor Day and goes on until the week after Christmas Since its inception in 1920, National Football League has gone through a number of changes. Their uniform and Jerseys too have evolved with time. Here is a brief timeline that depicts the evolution NFL uniforms and jerseys 1920 With its inception, NFL brought with itself some prized franchises. The uniform or jersey’s during this time cost a dime for a dozen. Through the course of time, the teams changed their look. It was not unusual then for a franchise to buy used uniforms. Jersey’s during this time were often made o a real thick material such as wool. Helmets were still not made mandatory by the NFL thus many players played sans the helmet. 1930 Many more NFL franchises came into the picture in the early decade.