George Brett is a bad dude. The Hall of Famer and former Kansas City Royals third baseman was getting hounded by an autograph seeker at Kansas City International Airport. After giving the fan the autograph, Brett said that if he ever saw the fan again (who had asked Brett for his autograph 35 times and received it 15 times), he would shoot him.
I understand Brett's frustration here. After getting off a flight, I bet the last thing you want to do is sign autographs for someone who is constantly hounding you. On the other hand, he could have shown more tact in telling him to not come around anymore.