The impetuousness of youth. Midway through the first half in Dortmund's UEFA Champions League Group F game against Real Madrid, Ousmane Dembélé demonstrated skill and pace by brushing into the area, fooling the Madrid defence and then just missing the target. Better placed in the box, team-mates Mario Götze and Gonzalo Castro raised their arms in frustration, having waited in vain for a pass from the 19-year-old.They make mistakes, then, but Thomas Tuchel's Dortmund may well be the most exciting young side in Europe. The likes of Sokratis Papastathopoulos, Gonzalo Castro, captain Marcel Schmelzer and Pierre-Emerick Aubameyang represent their mature core, but this ... UEFA.com -