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