EXCLUSIVE
UFC superstar Nate Diaz just FaceTimed into the "TMZ Sports" TV show -- and told us he's on the way to his hometown Stockton, CA ... to get ready for the McGregor fight with "the best training in the world."
Diaz says he's been working out in L.A. -- but now, he's kicking the training into high gear -- "I'm going home now where I got all my good s*** at."
You gotta watch the entire interview Friday night on FS1 -- Nate keeps it all the way real ... especially when we bring up the Forbes list of highest paid athletes.
