with victory over Cork City in the final. They also won the Leinster Senior Cup—the club's first 'treble' since 1966–67. A third league title in a row was sealed with two games to spare in 2016. 2016 also saw the club qualify for the Champions League play-off round, after they first defeated FH of Iceland, then came from a goal down in the tie to defeat BATE Borisov 3–1 on aggregate. They drew Legia Warsaw for the play-off, with the first leg played in the Aviva Stadium in Dublin in front of a crowd of 30,417. They suffered a 2–0 defeat in the home leg, but shocked Legia in the return leg by taking a 1–0 lead. With Dundalk pushing for the equaliser that would have taken the tie to extra-time, Legia scored on the break, and won the tie 3–1 on aggregate. As a result, Dundalk qualified for the group stage of the Europa League. A draw with AZ Alkmaar in the Netherlands, followed by a victory over Maccabi Tel Aviv in Tallaght Stadium, were the first points earned by an Irish club in the group stage of European competition. In 2017, after the European run, they won the League Cup again. The departure of some key players, and a slow start to the new season, meant that they slipped to runners-up spots in both league and FAI Cup. The club's European form had attracted interest from abroad, however, and a consortium of American investors led by Peak6 Investments LLC completed a takeover in January 2018. Kenny's side reasserted itself in 2018, winning another League and Cup Double—the second under Kenny and fourth in the club's history—breaking points-total and goals scored-total records in the process. In the aftermath, Kenny resigned in order to accept the Republic of Ireland U-21 manager's role. Hoping to achieve continuity, the new owners replaced Kenny with his Assistant Manager, Vinny Perth, as Head Coach, with John Gill returning as First Team Coach. Despite falling 13-points behind early 2019 leaders Shamrock Rovers in April, they overhauled the deficit within weeks, and subsequently won the club's 14th league title with four games to spare. They also won the League Cup by defeating Derry City on penalties in the final, to secure a second League and League Cup Double. They were denied a first domestic Treble of League, FAI Cup and League Cup, however, when they were