By Sean Walsh Real Madrid have the opportunity to take home a record 15th Champions League trophy when they face Borussia Dortmund in this season’s final on Saturday. Carlo Ancelotti has already led Los Blancos to glory in La Liga and can claim a fifth European crown of his own at Wembley this weekend. A spirited underdog in Dortmund stand between them and the pinnacle of club football, but there are plenty of reasons why Madrid should feel confident in their chances. Here are just four reasons why Madrid will win this season’s Champions League. A complete mismatchVery few Champions League fin…