they usually have 3-5 rounds in a match. since JJK knocked BJ out so hard that he couldn’t get up, BJ automatically forfeits the whole match. this made JJK the winner by default and gain his championship title back. he wouldn’t fight against BJ unless they agreed to another match.
I have a doubt. They said he won first round. Will there be more rounds? Will he have to match again with Jumin?
Sorry, I just don't know much about mfc matches