We now know the referee for the Champions League quarter-final second leg clash between Barcelona and Man United at Camp Nou on Tuesday. UEFA have picked German ref Felix Brych.
The 44-year-old is a veteran and the best Bundesliga referee, he is known to be an authoritarian.
Barcelona have had Brych many times in the Champions League. They lost to Chelsea with him in the 2012 semis, 1-0 at Stamford Bridge.
Most recently they had him against Atletico in the 2016 quarter-finals, winning 2-1 at Camp Nou. They also beat Man City with him the year before.