Facts on Instagram: English referee Mark Clattenburg found

Manchester United news: Clattenburg: I quit Premier League because of Mourinho!

Cristiano Ronaldo gesture showed respect, says Mark Clattenburg

Mark Clattenburg says… – Eire + Alba

Former Premier League official Mark Clattenburg believes referees have changed in recent years

UEFA picks Clattenburg to referee Champions League final

Clattenburg named world's best referee

Mark Clattenburg says… – Eire + Alba

Mark Clattenburg made sure the Euro 2016 final passed by without controversy

I can't apologise' - Chelsea icon, John Obi Mikel says he won't say sorry to ex- Premier League referee Mark Clattenburg over 2012 racism row