The German men’s under-21s have won their European Championship qualifying group and secured their ticket to next year’s finals. Antonio Di Salvo’s side won 2-1 against Bulgaria in Regensburg on Friday. Ahead of the final group match on Tuesday in Lodz against second-placed Poland, Germany can no longer be displaced from first place. In front of 8,586 spectators in the Bavarian city, the hosts prevailed thanks to Borussia Dortmund’s Maximilian Beier on 9 minutes and Stuttgart’s Nick Woltemade via a 66th-minute penalty. Nikola Iliev had levelled the scores in the 37th minute. The men’s under-21…