Arnold Schwarzenegger Is Going to Mayweather vs. McGregor Fight

Floyd Mayweather can already count on 1 ticket sold to his superfight with Conor McGregor -- with Arnold Schwarzenegger telling TMZ Sports, "I'll be there!"

Ahnald is huge boxing fan -- and often attends big fights. He was most recently at the Anthony Joshua vs. Wladimir Klitschko fight in England.

He's been to Mayweather fights in the past. Arnie's also a UFC fan -- and was in the building at UFC 189 to watch Conor McGregor fight Chad Mendes.

Tickets won't be cheap -- but Arnold's rich.