By Mike McDaniel Mahomes threw water on the internet rumor surrounding himself shutting out his fiancee and brother from attending games. View the original article to see embedded media. Chiefs quarterback Patrick Mahomes will not be banning his fiancé Brittany Matthews and brother Jackson Mahomes from attending games next season, despite internet rumors that circulated on social media on Friday to the contrary. The Chiefs’ star seemingly shut down the bogus rumors with a short tweet. The rumors began due to a series of tweets from Rich Ohrnberger of Fox Sports Radio that alluded to Patrick si…