Facebook CEO Mark Zuckerberg tears ACL while training for MMA fight
ViewFacebook CEO Mark Zuckerberg tore his ACL while training for a mixed martial arts competition.
Zuckerberg said he had been training for a fight early next year.
The tech billionaire said he underwent surgery on Friday, but plans to resume training when he heals.
"Tore my ACL sparring and just got out of surgery...