Musk could do a lot worse than 24-4 Cruz ... who has beaten the likes of greats such as Urijah Faber, T.J. Dillashaw and Demetrious Johnson.
Remember, Jones offered his services to Zuck, writing ... "You already know I am Team Zuck ... Let me know if you need a training partner!"
As for the naysayers who say Musk vs. Zuckerberg is a bad idea and disrespectful to martial arts, Cruz (and many others) believes the opposite.
"If you're gonna say this is gonna be the highest level of sport and we're gonna call it that, that might be disrespectful, but nobody's saying that.