Terrifying History on Instagram: "Prichard Colón, a Puerto Rican professional boxer born in 1992, suffered a career-ending brain injury during a match on October 17, 2015. Entering the fight undefeated and ranked as a top prospect, Colón faced Terrel Williams in a bout marred by repeated illegal blows to the back of his head (rabbit punches). Despite visible distress and his corner’s appeals to the referee, no disqualification occurred. The fight ended after Colón’s team mistakenly removed his g