Barca, Man City & Ajax the only three teams left fighting for treble in Europe

Barcelona are one of three clubs left in Europe that can still win the treble: league, cup and Champions League. The Catalans last won it in 2015.

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Arsenal, Manchester City and Barcelona among 11 teams which can still win domestic league, cup and Champions League treble this season

Meet the 10 Treble-winning teams - from Ajax's total football to Man Utd's miracle - Daily Star

Treble winners power rankings: How do Man City compare to United and Barcelona after winning Champions League?

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Barcelona without 'wild card' for Super Club World Cup - AS USA

Manchester City just one win from the Treble after Gundogan double downs Man Utd : r/PremierLeague

Champions League final: Who have Man City joined as treble winners by beating Inter Milan?, Football News

Manchester City make history as latest treble-winning side - NBC Sports

How Man City completed the treble led by Guardiola & Co. - ESPN

Joao Pedro and Ansu Fati ease Brighton to historic Europa League win over Ajax