sentences:  In 1935 the offensive midfielder moved to MTK Hungaria in Budapest where he won, alongside players like Gusztáv Sebes and Ferenc Sas the Hungarian championships of 1936 and 1937.In June 1940 Müller returned to Vienna and joined Austria Wien, initially as a player.In the early 1930s he was called five times to play for the Austrian national football team, for which he scored four goals.