Patrick Mahomes Sr. is insisting he didn't shade the hell outta Bills fans after his son's team squashed Buffalo's Super Bowl chances yet again on Sunday ... claiming the social media post in question wasn't his doing.
Mahomes Sr. ruffled some feathers after his X account took shots at Bills backers this week ... when a post that said, "Today is a great day to not be from Buffalo," was published.
Naturally, people from upstate New York were pissed .