Tyler Jeffrey Dillashaw (born February 7, 1986) is an American former professional mixed martial artist who competed in the Ultimate Fighting Championship (UFC), where he is a former two-time UFC Bantamweight Champion. Dillashaw competed on the 2011 Ultimate Fighter season. In 2014, he won the UFC Bantamweight Championship by dethroning Renan Barão, who was on a 32-fight unbeaten streak. Dillashaw lost the title to Dominick Cruz by split decision in 2016 before regaining it against Cody Garbrandt in 2017.
https://en.wikipedia.org/wiki/T.J._Dillashaw