Here's Dez Bryant doing his best Bo Jackson impression ... trying to convince the world he can dominate in 2 sports by taking on some basketball competition in a L.A. pickup game.
Dez hit up L.A. Fitness in Hollywood Thursday ... and hopped on the hoop court with a couple of his homeboys and straight GAVE WORK to the local actors (waiters) in the building.
Sources at the gym tell TMZ Sports Dez's team went on a three game run ... and the All-Pro did his part -- stroking a game-winning 3 from Steph range, which you can see at the end of the clip.
Don't panic, Cowboy fans ... we're told Dez was taking it WAY easy ... just shooting jumpers and not driving into the paint AT ALL.
He also took time to pose for pics and chat with all the fans in the gym ... AFTER he busted their asses of course.
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