Sunderland are pushing to sign Alexandre Mendy from Caen, but the Black Cats have been handed a potentially worrying update. Sunderland and sporting director Kristjaan Speakman will once again try to resolve the club’s striker issues during this summer’s transfer window. Already, Speakman has outlined his desire to sign a new striker at the Stadium of Light this summer, after last summer’s signings fell short in 2023/24. Reports on Wednesday claimed that Alexandre Mendy was undergoing a medical at Sunderland, following strong links with a move to Wearside. But soon after, that suggestion was d…