Sean Pierson vs. Matt Riddle official; UFC 124 complete with 11 bouts

Matt Riddle will welcome UFC newcomer Sean Pierson to the octagon at UFC 124.

UFC brass recently announced that Pierson replaces an
injured Anthony “T.J.” Waldburger and faces Riddle on the evening’s
on the preliminary card of the December event.

MMAjunkie.com first reported the change back in October.