In the Champions League semi-final against Chelsea, a late Andrés Iniesta goal in the second leg at Stamford Bridge put Barcelona through, with an ecstatic Guardiola celebrating the goal by sprinting down the touchline near to where his players were celebrating. In the final of the Champions League, Barcelona beat Manchester United 2–0. In doing so, they became the first Spanish club to win the domestic cup, the league, and the European club titles (the treble) in the same season. The treble-winning season is regarded as one of the club's finest in its history. Furthermore, he became the youngest man to coach a Champions League winning team.