 Barcelona had already won La Liga, and concluded their treble a week after securing the Copa, with victory over Juventus in the 2015 UEFA Champions League Final in Berlin. They became the first European club to win the national league, national cup and continental cup in one season on two separate occasions. As Barcelona won both domestic tournaments, Athletic were the cup entrants in the 2015 Supercopa de España, in which they defeated Barcelona 5 – 1 on aggregate for their first trophy since their double in 1983 – 84.
