Career
He was subsequently an English representative at the 1958 Fédération internationale de football association World Cup, taking charge of the Group A game between West Germany and Argentina on 8 June 1958. He then refereed a quarter-final tie as Sweden defeated the Soviet Union 2-0 on 19 June 1958. Barcelona v Real Madrid, European Cup 1960
Despite being the man in the middle for the famous Wolves versus Honvéd match in 1954 (his award of a penalty against Kovaks allowing Wolves to come back into the tie), Leafe is known on the continent as the referee who once disallowed 4 goals in the "El Clásico" match-up between Real Madrid and Football Club Barcelona in a 2nd round match in the European Cup.
In the first leg Arthur Ellis had awarded a late, controversial equaliser for Barcelona when Sandor Kocsis was fouled in the Madrid penalty area.
In the second leg at the Nou Camp Leafe took charge. Kenneth Wolstenholme, for the British Broadcasting Corporation, called it "the game of all time".
There are doubts as to whether Leafe was the man for the job. In total he disallowed three Real goals (an early goal for Barca as well), and the game finished 2-1 to Barcelona.
Philosophy Ball, an historian for Madrid, who saw footage of the game, remarked that the protests carried some substance since none of the goals "appear to be illegal in any way".
Later Alfredo Di Stéfano remarked: "Union of European Football Associations people didn"t like us dominating "their" cup. That"s why they got English referees to make sure we didn"t. After all, English referees were supposed to be the best.
Number one would suspect anything."†
Rapid Vienna v Benfica, European Cup, 1961
Later that season in the second leg of the semi-final in Austria, Leafe was at the centre of a massive row when deciding that the Rapid Vienna forward Robert Dienst had dived in the Benfica penalty area in the last minutes of the game.
Various appeals to restore calm fell on deaf ears and the tie became the first European Cup match in history to be abandoned. With Benfica winning the tie 4-1, Béla Guttmann later said to Leafe: “You should have let them have their penalty..It would have saved us a lot of trouble, and it wouldn’t have helped them reach the final anyway.”
“Even if a team were leading by a hundred goals to nil,” Leafe is said to have replied, “I would still not grant their opponents an unwarranted penalty.”.