GREAT PREPARATION TMZSports.com
Khabib Nurmagomedov wasn't in Islam Makhachev's corner for his last fight, but he will be Octagonside for Saturday's title scrap vs. Dustin Poirier ... and he's doing it for free!
TMZ Sports talked to Khabib and Islam's longtime manager, Ali Abdelaziz, this week ... and while all MMA fans are well aware of Nurmagomedov's exploits inside the cage, we asked about his talents as a coach -- and how it's impacted Makhachev's preparation heading into UFC 302.