The planned transfer of forward Serhou Guirassy from VfB Stuttgart to Borussia Dortmund is on hold for the time being due to problems during the medical check. According to dpa information, a new medical check isn’t planned until the beginning of the coming week. A video from the Ruhr Nachrichten newspaper showed Guirassy making his way back to Stuttgart from the Dortmund airport after failing the medical tests. Dortmund said on X on Wednesday: “During a medical examination of Serhou Guirassy, an injury was discovered and it requires further clarification.” According to media reports, the play…