The main event in Las Vegas on Saturday will see Gabriel Bonfim square off with Randy Brown.

UFC 321 goes down Saturday with two highly anticipated championship fights atop the bill, and MMA Junkie Radio's "Gorgeous" George and "Goze" will host a live-streamed watch-along right here at 2 p.m.

UFC Fight Night coverage begins at 4 p.m. ET in the ESPN App. The main card is scheduled to begin at 7 p.m. ET. Here's when and how to tune in.