At the beginning of October, Yan Xianan Y mackenzie dern, Two prized UFC fighters stepped into the 25-foot octagon ring at Apex Arena in Las Vegas to pummel each other in the women’s strawweight bout. But unlike the countless previous fights that have taken place in the arena, which is often packed with hundreds of raucous fans, this time the 130,000-square-foot space was eerily quiet. As cameras panned the arena, almost every seat was empty, with the exception of a select few: Right at the edge of the octagon were mark zuckerberg and his wife, Priscilla Chan. It seems that at some point during the pandemic, Zuckerberg had been drawn to UFC fights, and the billionaire Facebook founder wanted to experience one of these fights in person. But instead of buying two…