UFC 279 breakdown: Can Nate Diaz upset Khamzat Chimaev in his potential final UFC bout?

MMA Junkie analyst Dan Tom breaks down the UFC’s top bouts. Today, we look at the main event for UFC 279.

UFC 279 takes place Saturday at T-Mobile Arena in Las Vegas. The main card airs on pay-per-view following prelims on ESPNEWS and early prelims on ESPN+.