1932 Summer Olympics, which combined with a similar demonstration game at 1933 World's Fair, led to the first College All-Star Game in 1934,This league changed its name to the National Football League (NFL) two years later, and eventually became the major league of American football In 1920 the American Professional Football Association was formed and 1932, were the introduction of the AP Poll in 1934, the tapering of the ends of the football in 1934, the awarding of the first Heisman Trophy in 1935, the first NFL draft in 1936