Taking charge of footballs heavyweights heaps pressure on a referee, but Mark Clattenburg looks back fondly on his encounters with legends of the game.
The former Premier League official's career highlights include the Champions League and European Championships final in 2016, as well as the Olympic final in 2012.
Those matches, as well as 292 English top-flight games, have seen him show cards to some big personalities. For Mailsport, Clattenburg has listed the five greatest players he has officiated...
Mark Clattenburg has revealed his top five greatest players that he has refereed
Cristiano Ronaldo
The one thing I admired above all else was his ability to raise his game when the team were down.