"Mark Zuckerberg Joins UFC Champions Israel Adesanya & Alexander Volkanovski for Training, Fueling Speculation of Potential Fight with Elon Musk (Photos)"

UFC middleweight champion,Israel Adesanya on Tuesday night, July 11 shared photos of him training alongside billionaire Facebook founder Mark Zuckerberg and UFC featherweight champion, Alexander Volkanovski.

Adesanya captioned the photos on Twitter; "No fugazi with Mark, This is serious Business.