Agent Zero says Russell Westbrook can have #0 in D.C. if he wants it ... 'cause Gilbert Arenas is giving his official blessing to let the new Wizards star wear his old number.
Russ was traded to Washington in a swap with John Wall earlier this week ... and the team introduced Brodie on social media with edited pics of the guard wearing a #4 jersey (the same digit he wore in high school).
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So ... why change from the number he had his whole NBA career?? Arenas is easily one of the best players in franchise history ... and no one has donned #0 since he left the team in 2010.
But, that could change this season ... with the 3-time All-NBAer offering up his beloved number to the 2017 MVP on Thursday.
"'0' is all u Brodie 🙏," Arenas said on Instagram. "it will be a honor 💯"
No word on whether Westbrook will accept the offer ... but it sure is weird to see him wearing anything other than #0.