"Finally, you know my name. You see what I've done to Edson Barboza. It took me just 2.5 rounds, and if you step inside the Octagon with me, I'm sure I will finish you in 2 [rounds]." That's rising UFC star Giga Chikadze -- 7-0 in the UFC (14-2 overall) -- throwing down the gauntlet ... right at the feet of featherweight G.O.A.T. Max Holloway.