Check out live round-by-round updates and official results from UFC on ESPN 73 in Las Vegas.

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LAS VEGAS – MMA Junkie is on scene and reporting from Friday's UFC on ESPN 73 (ESPN2, ESPN+) official weigh-ins, and you can watch a live stream of the event beginning at noon ET (9 a.m. PT). The weigh-ins take place at UFC Apex, the same venue that hosts the final UFC event of the year.

Join MMA Junkie Radio's "Gorgeous" George and "Goze" for a live-streamed watch-along of UFC 323 in Las Vegas.

For the very last time, fans in the United States will be able to watch the preliminary fights of UFC 323 via ESPN+, with the main card coming at the standard PPV rate of $79.99.

UFC 323 live updates between Merab Dvalishvili vs. Petr Yan 2 and Alexandre Pantoja vs. Joshua Van at T-Mobile Arena in Las Vegas, Nevada.

UFC 324 will be the first of 13 marquee numbered events next year, and will be headlined by former interim UFC lightweight champion Justin Gaethje, who will battle Paddy "The Baddy" Pimblett. The co-main event has Kayla Harrison putting her UFC women’s bantamweight champion on the line against UFC Hall of Famer Amanda Nunes.