Muñoz defeated Chris Leben, in the first 5 round non title fight in UFC history, on November 5, 2011 by corner stoppage at UFC 138.
UFC | Quebec Route 138 | UFC 112 | UFC 105 | UFC 97 | UFC 88 | UFC 69 | UFC Undisputed 2010 | UFC Ultimate Insider | UFC: Tapout | UFC Fight Night: Diaz vs. Guillard | UFC 8 | UFC 78 | UFC 76 | UFC 56 | UFC 47 | UFC 43 | UFC 4 | UFC 37.5 | UFC 37 | UFC 153 | UFC 15 | UFC 140 | UFC 138 | UFC 12 | UFC 1 | ''Music Hall''. 1903. 153 × 138.5 cm. Ohara Museum of Art | Anonymous. ''Portrait of Avidia Plautia''. Ca. 136-138. New Haven, Connecticut, Yale University Art Gallery |