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