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