WEC 42, In a major upset, Vazquez lost a controversial split decision to Davis. Vazquez rebounded quickly as he replaced an injured Mark Hominick against Deividas Taurosevicius at WEC 43 but lost another split decision. Vazquez faced and defeated former UFC Lightweight Champion and former WEC featherweight title challenger Jens Pulver via armbar on March 6, 2010, at WEC 47. He defeated decorated grappler Mackens Semerzier via second round submission on August 18, 2010, at WEC 50. Vazquez was defeated by Chad Mendes via unanimous decision on November 11, 2010, at WEC 52. Ultimate Fighting Championship In October 2010, WEC merged with the Ultimate Fighting Championship (UFC). As part of the merger, all WEC fighters were transferred to the UFC. Vazquez defeated The Ultimate Fighter 2 winner and former lightweight title contender Joe Stevenson via unanimous decision on June 26, 2011, at UFC on Versus 4. On January 13, 2013, Vazquez announced on Sherdog Radio Network's Rewind show that he has officially retired from MMA competition. Personal life In 2005, Vazquez married Rose Gracie, the daughter of Rorion Gracie and granddaughter of Hélio Gracie. They had two children together. In 2017, they subsequently filed for divorce. Vazquez was concurrently diagnosed with stage 3 colon cancer. After undergoing Gerson therapy and defeating cancer, Vazquez opened Javier Vazquez Jiu-Jitsu Academy in Rancho Cucamonga, California. He has recently taken up cycling. Instructor lineage Mitsuyo "Count Koma" Maeda → Carlos Gracie Sr. → Carlson Gracie Sr. → Rodrigo Medeiros → Javier Vazquez Championships and accomplishments King of the Cage KOTC Lightweight Championship (One time) Mixed martial arts record |- | Win | align=center| 16–5 | Joe Stevenson | Decision (unanimous) | UFC Live: Kongo vs. Barry | | align=center| 3 | align=center| 5:00 | Pittsburgh, Pennsylvania, United States | |- | Loss | align=center| 15–5 | Chad Mendes | Decision (unanimous) | WEC 52 | | align=center| 3 | align=center| 5:00 | Las Vegas, Nevada, United States | |- | Win | align=center| 15–4 | Mackens Semerzier | Submission (rear-naked choke) | WEC 50 | | align=center| 2 | align=center| 1:35 | Las Vegas, Nevada, United States | |- | Win | align=center| 14–4 | Jens Pulver | Submission (armbar) | WEC 47 | | align=center| 1 | align=center| 3:41 | Columbus, Ohio, United States | |- | Loss | align=center| 13–4 | Deividas Taurosevicius | Decision (split) | WEC 43 | | align=center|