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