Charles Oliveira vs. Khabib?!
That's the fight many MMA fans are clamoring for ... believing the new UFC lightweight champ's style matches up favorably with the retired 29-0 superstar from Dagestan.
But, don't prematurely hand Khabib his 1st loss ... 'cause UFC welterweight champ Kamaru Usman -- who's friends with 32-year-old Nurmagomedov -- says he doesn't believe Khabib's any closer to returning to the Octagon after witnessing 31-year-old "Do Bronx's" impressive performance at UFC 262.
"I think Khabib did watch the fight.