Spring reset: Breaking down Clemson RBs, including a walk-on who is impressingby:Matt Connolly•03/24/22•MattConnollyOn3Read In AppPhil Mafah has changed his jersey number. (John Byrum/Getty Images)We have an update on how sophomore running back Phil Mafah has performed this spring, as well as a note on a walk-on running back to keep an eye on.