Happy birthday to the one and only aaronmrcr! The 2x bullfightersonly World Champ and hooeybrands Athlete just announced his retirement a few weeks ago in Vegas. A former Canadian ranch bronc riding champ, Mercer will now move into training horses full time. Thanks for always leaving it in the ring Mercer we’ll miss ya! ⚡️ 🎥 bernardvanweydeveldt #freestylebullfighting #bullfightersonly #bfo #punchy #hooey