David Jansen/Getty Images Running back Jaylen Warren and the Pittsburgh Steelers reached agreement on a two-year contract extension. Jaylen Warren may have gotten the deal he longed for, but the Pittsburgh Steelers running back is not about to rest on his laurels. Speaking with reporters for the first time since signing a two-year extension, Warren said he’ll continue to play with a chip on his shoulder. “If anything,” the former undrafted free agent said , “it’s gonna add more chips.”