NFL Primary LogoNFL Alternate LogoNFL Wordmark LogoNFL Team History Who is the greatest running back in the NFL of All-time? Tony Dorsett Eric Dickerson Earl Campbell Jim Brown Thurman Thomas Edgerrin James Jerome Bettis Marcus Allen LaDainian Tomlinson Curtis Martin John Riggins Adrian Peterson Franco Harris Gale Sayers Marshall Faulk Jim Taylor Walter Payton Emmitt Smith Larry Csonka Barry Sanders …
