Eight teams and seven different clubs have claimed ‘the treble’ over the years, winning the European Cup, league title and biggest domestic cup in the same campaign:
1966/67: Celtic
1971/72: Ajax
1987/88: PSV Eindhoven
1998/99: Manchester United
2008/09: Barcelona
2009/10: Internazionale Milano
2012/13: Bayern München
2014/15: Barcelona
Bayern could yet wrap up a ninth treble, their second, with Jupp Heynckes becoming the first coach to do it twice for good measure. His char…