Career
Mallmann plays as a midfielder. Mallmann has played in the youth academies of Football Club Basel and Manchester City before joining Sporting B on loan. He scored his first goal for the club in a 4-1 away loss against Farense.
lieutenant was also reported that Barcelona were after signing Mallmann.
Following the suspension of Adrien Silva, he was included in Sporting Communist Party"s squad against Benfica on 28 February 2014.