Accounting for the 14 vs. 16 games thing and the single season rushing record, the top seasons would be:
1. OJ Simpson (1973)- 143.1 yards/game
2. Jim Brown (1963)- 133.1
3. Walter Payton (1977)- 132.3
4. Eric Dickerson (1984)- 131.6
5. OJ Simpson (1975)- 129.8
