Law 5 - The Referee: 2021-22 UEFA Champions League - Play-Offs (First Legs, II) - Referee appointments
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Law 5 - The Referee: 2021/22 UEFA Champions League - Second Qualifying Round (II)
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Law 5 - The Referee: Champions League 2021/22 - Referee Appointments - Matchday 2 (I)
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/cdn.vox-cdn.com/uploads/chorus_image/image/54752721/625341930.0.jpg "Referee named for UEFA Champions League Final between Real Madrid and Juventus - Managing Madrid")
Referee named for UEFA Champions League Final between Real Madrid and Juventus - Managing Madrid
Law 5 - The Referee: 2021-22 UEFA Champions League - Play-Offs (First Legs, I) - Referee appointments
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Law 5 - The Referee: Champions League 2019/20 - Referee Appointments - Round of 16 (Second Leg, IV)
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PDF) Twelve eyes see more than eight. Referee bias and the introduction of additional assistant referees in soccer
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Law 5 - The Referee: 2019-20 UEFA Champions League - Play-Offs (First Legs, I) - Referee appointments
Mark Clattenburg - Wikipedia
