It still isn't too late to join the team. Despite never tasting defeat in the Octagon and defending the middlewight title three times, Chris Weidman is still struggling to earn the respect of his peers.
The 31-year-old dethroned long-time king Anderson Silva with a brutal knockout in 2013, and went on to defend his title against "The Spider" in an instant rematch at UFC 168.
Hailed as The Brazilian Slayer, Weidman's quest for championship success continued with victories over Anderson's fellow countrymen Lyoto Machida and Vitor Belfort.