Dee ihe na-aga n'ihu maka paragraf a - Na 18 Septemba 2020, Müller gbara goolu mbụ ya n'oge a, ma nye otu enyemaka, na mmeri 8-0 megide Schalke 04. O mechara merie iko UEFA Super Cup
na DFL-Supercup ka ọ bụrụ iko nke iri abụọ na asaa nke ọrụ klọb ya; ya mere, ọ ghọrọ onye ọkpụkpọ kachasị mma na akụkọ ihe mere eme nke Germany, na-emebi ndekọ gara aga nke iko iri abụọ na isii nke onye otu Bayern ibe ya Bastian Schweinsteiger meriri. N'abalị iri na otu nke ọnwa Febụwarị afọ 2021, ọ nwalere COVID-19 wee banye na mgbochi; ya mere, enweghị ike igwu egwu na 2020 FIFA Club World Cup Final.