Was Holly Holm's KO of Ronda Rousey the best UFC moment of 2015?
8:05pm PST - January 7th, 2020 holly holm - USA TodayNow that we're into a new decade, take a look back at the moments the UFC says were its best in 2015 – and vote for your pick.
Now that we're into a new decade, take a look back at the moments the UFC says were its best in 2015 – and vote for your pick.