Sherman Lewis, a defensive back and returner for the Jets during their AFL days who had a long career as an NFL assistant coach, died on Friday. He was 83. Lewis’ death was confirmed by Michigan State University, where he was an All-American running back in 1963. “We are deeply saddened to learn of the passing of Sherman Lewis,” the university wrote in a statement. “Lewis, a first-team All-American in 1963, served as an assistant coach at MSU before a decorated NFL coaching career that included