Career
Football Club Heidenheim on loan from Lech Poznań, as a striker. Thomalla was born in Pforzheim, Germany to a Polish family originally from Opole. He played youth football for SV Büchenbronn and Karlsruher South Carolina. He has played senior football for TSG 1899 Hoffenheim II, TSG 1899 Hoffenheim and RB Leipzig.
On 1 September 2014, he was loaned out to SV Ried.
On 23 June 2015, he signed a three-year contract with Polish club Lech Poznań. On 12 January 2016, he was loaned to 1.
Football Club Heidenheim.