Aaron Simpson fighter page

Aaron Simpson is a 52-year-old mixed martial artist from United States competing in the Welterweight division. Born on July 20, 1974, Aaron fights orthodox. Follow Aaron Simpson on Fourounce for fight history, live results, detailed statistics, news, night bonuses, and performance analytics.

Aaron holds a professional record of 12-5-0. Career wins break down as 6 knockouts/TKOs, 1 submissions, and 5 decisions.

Standing 6ft 0in with a 77.0" reach and weighing 171 lbs.

Aaron's 5 most recent fights are listed below. Open each fight page for scorecards, round stats, timeline events, and odds when available:

• 5 October 2012: Loss vs Mike Pierce at UFC on FX: Browne vs. Bigfoot — KO, R2
• 11 July 2012: Win vs Kenny Robertson at UFC on Fuel TV: Muñoz vs. Weidman — DEC, R3
• 15 February 2012: Loss vs Ronny Markes at UFC on Fuel TV: Sanchez vs. Ellenberger — DEC, R3
• 8 October 2011: Win vs Eric Schafer at UFC 136: Edgar vs. Maynard III — DEC, R3
• 2 July 2011: Win vs Brad Tavares at UFC 132: Cruz vs. Faber — DEC, R3

See the full fight history for every bout on Fourounce, including form, Elo movement, and key strike stats.

Explore Aaron Simpson's stats for striking, clinch, and ground metrics, percentiles versus peers, and time breakdowns across promotions. Compare leaders on the MMA stats leaderboards.

Aaron has earned 2 Fight/Performance of the Night bonuses (1 FOTN, 1 POTN). View payouts and bonus history on the bonuses tab.

Stay updated with Aaron Simpson news — fight announcements, weigh-ins, and storylines tagged to this fighter.

Fourounce also tracks official rankings and current champions by promotion and weight class, so you can place Aaron Simpson in the wider MMA landscape.

Fourounce covers Aaron Simpson across about, fights, stats, news, and bonuses — plus live scores, odds, scorecards, and fantasy. Available on the web and as a free app for iOS and Android.