Jake Gyllenhaal shows off ripped physique during weigh-in appearance at UFC 285

Jake Gyllenhaal, of Hollywood fame, showed up at UFC 285 in Las Vegas.

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Scenes for the impending Road House adaptation, which included this guy, were being filmed.

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He weighed in with Gyllenhaal's co-star, veteran UFC fighter Jay Hieron.

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Gyllenhaal is shown in viral video getting onto the scales, flexing his massive weapons, and yelling at the audience.

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Then, as per the film's script, he got into a fight with his antagonist Hieron and slapped him onstage.

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Gyllenhaal, who portrayed a boxer in the 2015 film "Southpaw," is no stranger to intense physical preparation.

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In addition to starring in the new version of "Road House," former UFC champion Conor McGregor also makes an appearance.

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He was there for the weigh-in and helped get the audience fired up when Gyllenhaal was performing.

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