Kenneth Alan Florian (born May 26, 1976) is an American retired mixed martial artist who formerly competed in the Ultimate Fighting Championship (UFC). He currently serves as the UFC on Fox analyst, color commentator on the robot combat television series BattleBots and color commentator for UFC Fight Night. Florian has a background in Brazilian Jiu-Jitsu and Muay Thai. He is known for his cerebral approach to the sport based on his meticulous game plans. Florian is recognized for his tendency to finish his opponents, having earned stoppages in twelve of his fourteen career victories. He is also one of only two fighters in history to compete in four different weight classes in the UFC: Middleweight, Welterweight, Lightweight and Featherweight, the other being Diego Sanchez. Florian defeated Chris Leben on the inaugural season of The Ultimate Fighter reality show, but succumbed in the finale against Diego Sanchez. He has competed on two separate occasions for the UFC Lightweight Championship and once for the UFC Featherweight Championship, but came up short against Sean Sherk, B.J. Penn, and José Aldo respectively. Recognized as one of the elite competitors during his tenures in the Ultimate Fighting Championship, Florian is considered as one of the greatest all-time mixed martial artists to have never won a UFC Championship.Outside of his UFC career, Florian has been a color commentator on the robot combat television series BattleBots since 2015. He has also started doing on camera interviews with some of the winners of the 2018 season.