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