Date of birth
Belgium Under-18 attacking midfielder signed from KV Mechelen in January 2019.
The 18-year-old has joined the Saddlers on a deal until the end of the 2018/19 season, with the option of a further year in the club’s favour.
Mussa, who had been training with Dean Keates' squad for the last month, came up through the ranks at Mechelen and has been capped at various youth levels for Belgium.
He arrived at the Banks’s Stadium after the Saddlers came to a compensation agreement with Mechelen for his services.