A key welterweight contest has been booked to headline the UFC’s first visit to Chile. UFC officials today announced that a previously reported matchup of Kamaru Usman (12-1 MMA, 7-0 UFC) vs. Santiago Ponzinbbio (26-3 MMA, 8-2 UFC) will, indeed, headline UFC Fight Night 129. The card takes place May 19 at Movistar Arena in Santiago, Chile