A long-rumored bout between King of the Cage world and Canadian 155-pound champion Rory MacDonald (9-0 MMA, 0-0 UFC) and 170-pound KOTC title-holder Mike “Joker” Guymon (11-2-1 MMA, 0-0 UFC) is now official for UFC Fight Night 20.
The welterweight bout is slated for the night’s un-aired preliminary card.
UFC Fight Night 20 takes place Jan. 11 at the Patriot Center on the campus of George Mason University in Fairfax, Va.
The main card airs on Spike TV.