Professional career
NFL Career Rushing Yards Leaders Through 2013 | Pro-Football-Reference.com
https://web.archive.org/web/20171112194125/https://www.pro-football-reference.com/leaders/rush_yds_career_2013.htmNFL Career Rushing Yards Leaders Through 2013 | Pro-Football-Reference.com
https://www.pro-football-reference.com/leaders/rush_yds_career_2013.htmWayback Machine - Wikipedia
https://en.wikipedia.org/wiki/Wayback_MachineNFL Career Rushing Yards Leaders Through 2014 | Pro-Football-Reference.com
https://web.archive.org/web/20171112191118/https://www.pro-football-reference.com/leaders/rush_yds_career_2014.htmNFL Career Rushing Yards Leaders Through 2014 | Pro-Football-Reference.com
https://www.pro-football-reference.com/leaders/rush_yds_career_2014.htm