He might work for the UFC, but Snoop Dogg is a BIG fan of Floyd Mayweather -- and bro'd down with the boxer at his private gym in Vegas this week.
Snoop was blown away by Floyd's gym -- and said he LOVED the fact Floyd's an owner, not a renter.
Floyd's used to VIP's in his training center -- he's hosted everyone from 50 Cent to Rick Ross and DeMar DeRozan.
The two seemed to get along -- Floyd even complimented Snoop's cologne.
Snoop is currently a commentator on "Dana White's Tuesday Night Contender Series" -- but seems interested in a boxing gig as well ... telling the people at Showtime to holla at him.
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