Mandatory Credit: Photo by Rafa Huerta/SPP/Shutterstock (12444516l) Robert Lewandowski (9 Bayern Munchen) action goal during warm-up, UEFA Champions League match between Barcelona and Bayern Munchen at Camp Nou stadium in Barcelona, Spain. Barcelona v Bayern Munchen - UEFA Champions League - Camp Nou Stadium Barcelona, Spain, September 14th 2021:, Barcelona, Spain - 14 Sep 2021