Champions League final referee Çakır among officials for Rio 2016 football tournament
Law 5 - The Referee: Champions League 2019/20 - Referee Appointments - Quarterfinals (13 August 2020)
Premier League referee appointments: Where officials they are from, who they support and their next match - Mirror Online
Willie Collum to referee Monaco v Juventus tie | The Scotsman
Law 5 - The Referee: 2021-22 UEFA Champions League - Play-Offs (Second Legs, II) - Referee appointments
Law 5 - The Ref (@Law5_TheRef) / Twitter
No English referee in the knockout stage of the Champions
Referee appointments: 1-2 October - News - EFL Official Website
Respect The Referee - UEFA Champions League - Referee Appointments for quarterfinals (Second leg, Wednesday) Scotland's William Collum has been appointed to take charge of FC Bayern München against Sevilla FC. It
Law 5 - The Ref (@Law5_TheRef) / Twitter
Referee teams appointed for UEFA Champions League and UEFA Europa League finals | Inside UEFA | UEFA.com
Law 5 - The Referee: Champions League 2019/20 - Referee Appointments - Quarterfinals (12 August 2020)
English referees snubbed for huge Champions League ties because Premier League does not use VAR | Daily Mail Online
Antonio Miguel Mateu Lahoz to referee UEFA Champions League final | UEFA Champions League | UEFA.com
Law 5 - The Ref (@Law5_TheRef) / Twitter
Law 5 - The Ref (@Law5_TheRef) / Twitter
Law 5 - The Referee: Champions League 2019/20 - Referee Appointments - Quarterfinals (15 August 2020)
Law 5 - The Ref (@Law5_TheRef) / Twitter
Law 5 - The Referee: Champions League 2019/20 - Referee Appointments - Semifinals (18 August 2020)
Mark Clattenburg - Wikipedia
Mark Clattenburg to Referee UEFA Super Cup | PLAY THE ADVANTAGE
Law 5 - The Ref - 2021-22 UEFA Champions League - Play-Offs (First Legs, I) - Referee appointments. 17 August 2021, 21:00 CET - Monaco (Stade Louis II) AS Monaco (FRA) -
