 Complete the following phrase:  Barcelona won the treble in the 201415 season, winning La Liga, Copa del Rey and the UEFA Champions League, and became the first European team to have won the treble twice. On 17 May, the club clinched their 23rd La Liga title after defeating Atlético Madrid. This was Barcelonas seventh La Liga title in the last ten years. On 30 May, the club defeated Athletic Bilbao in the Copa del Rey final at Camp Nou. On 6 June, Barcelona won the Champions League 