Evolution of the NFL single-season rushing record: A look at which players held the historic achievement
The player who broke Simpson's historic record needed an extra game to do it, but the NFL also expanded to a 16-game schedule in 1978. Dickerson is still the only player to rush for 2,100 yards in a season, averaging 131.6 yards per game and 5.6 yards per carry in what was one of the greatest seasons ever for a running back.