Champions Bayern Munich beat RB Leipzig 3-0 on Saturday thanks to two goals from Robert Lewandowski to win their 19th German Cup and complete a domestic league and Cup double. Bundesliga top scorer Lewandowski headed the champions into the lead in the 29th minute, wrong-footing keeper Peter Gulacsi, and Kingsley Coman's superb first touch and shot in the 78th made it 2-0. Lewandowski sealed the win with a fine run and superb finish in the 85th minute.