George ”Rush” St-Pierre
GSP is a Canadian mixed martial artist (MMA) and a three-time former Welterweight Champion of the Ultimate Fighting Championship (UFC), having won the title twice in 2006 and 2008, as well as an Interim title in 2007. Frequently cited as one of the greatest MMA fighters of all time, St-Pierre was ranked as the #1 welterweight in the world for several years by Sherdog and numerous other publications. In 2008, 2009, and 2010 he was named the Canadian Athlete of the Year by Rogers Sportsnet. Fight Matrix lists him as the top MMA Welterweight of all time and most accomplished fighter in MMA history. On December 13, 2013, holding the record for most wins in title bouts and the second longest combined title streak in UFC history (2,204 days).
Conor ”Notorious” McGregor
Conor is an Irish professional mixed martial artist who is currently signed to the Ultimate Fighting Championship (UFC). He is the reigning UFC Lightweight Champion, and former UFC Featherweight Champion. During his career, McGregor has competed as a featherweight, lightweight, and welterweight.
In 2008, McGregor started his mixed martial arts (MMA) career and, in 2012, he won both the Cage Warriors Featherweight and Lightweight Championships, holding both titles concurrently before vacating them to sign with the UFC. In 2015, at UFC 194, McGregor defeated José Aldo for the UFC Featherweight Championship via knockout thirteen seconds into the first round. This was the fastest victory in UFC title fight history. Upon defeating Eddie Alvarez for the UFC Lightweight Championship at UFC 205, McGregor became the first fighter in the UFC’s history to hold titles in two weight divisions simultaneously.
Michael Gerard “Mike” Tyson
Iron Mike Tyson is an American former professional boxer who competed from 1985 to 2005. He held the undisputed world heavyweight championship and holds the record as the youngest boxer to win the WBA, WBC, and IBF heavyweight titles at 20 years, 4 months, and 22 days old. Tyson won his first 19 professional fights by knockout, 12 of them in the first round. He won the WBC title in 1986 after stopping Trevor Berbick in two rounds. In 1987, Tyson added the WBA and IBF titles after defeating James Smith and Tony Tucker. This made him the first heavyweight boxer to simultaneously hold the WBA, WBC, and IBF titles, and the only heavyweight to successively unify them.