Answer
Toby Alderweireld was part of Atlético Madrid's 2014 Champions League final squad. Alderweireld joined Atlético in 2013 from Ajax, and he helped the team reach the final of the Champions League in 2014. Atlético lost the final to Real Madrid, but Alderweireld was a key player for the team during the tournament. He started all six of Atlético's games in the Champions League, and he scored one goal.