Barcellona, heart problem for Marcus Walker?

Marcus Walker might have failed physical tests with Sigma Barcellona. Walker is a newcomer in the Italian team.
Barcellona signed him from Hoverla where he has played last season. According to La Gazzetta del Sud, the physical had by the player revealed a heart problem for the guard.
The results of the visit have been sent to a specialist who will evaluate his problem. Walker risks to not have the eligibility to play in Italy,