In the hours and even days after blowing the final whistle, Mark Clattenburg endures hidden anguish as the decisions made during 90 minutes of refereeing whirl through his mind. ''If I make a mistake, it beats me up,'' Clattenburg told The Associated Press during a rare interview. Rarely is there public praise - only intense scrutiny of any mistakes - for soccer's top referees, particularly when you have overseen football's biggest finals in 2016 like Clattenburg and become as well known as the stars of the game. More...