Real Madrid are the favourites heading into the Champions League final against Borussia Dortmund at Wembley, but they can not take anything for granted. Los Blancos have the chance to win their sixth Champions League trophy in the last 11 seasons, and their 15th overall, but standing in their way are a Dortmund side who have defied all expectations to reach the final. The Germans finished fifth in the Bundesliga, but knocked out PSV Eindhoven, Atletico Madrid and Kylian Mbappe’s Paris Saint-Germain to reach the final. Dortmund have just one Champions League trophy in their history, as they bea…