David Beckham — Ugly Mansion in ‘NFL on Fox’ Sketch Is NOT My Real House

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David Beckham
doesn”t really live in the monstrosity of a mansion featured on the “NFL on Fox” pregame show this weekend — Dave”s house is WAYYY bigger … our sources has learned.

Beckham appeared in a comedy sketch with the new “NFL on Fox” comedy guy Rob Riggle … and in the sketch, Rob joked that he broke into “some football player”s home” to throw a raging party.  Enter the punchline when Dave said the house was his. Funny stuff.

The home was gigantic … and SOOO gaudy … with a massive pool .. a fancy dining room decked out in gold … and a tacky master bedroom.

But sources close to Beckham tell us … the footage was NOT shot in Dave”s real-life Beverly Hills mansion … but rather a rented out home made to look like Casa de Becks.

Dave”s actual Bev Hills home DWARFS the fake pad … measuring 13,000 square feet with 6 bedrooms, 9 bathrooms and a HUGE backyard complete with palm trees and views of the ocean.

Not bad for some football player.