Sunderland have lodged a £2.5million bid for a new striker, but it’s not Alexandre Mendy. Sunderland and sporting director Kristjaan Speakman are trying to sign a new striker or two this summer. The Black Cats have a few names linked, with Sunderland eyeing a deal for Alexandre Mendy at Caen following his 22-goal campaign in Ligue 2 last season. There’s been recent reports that Mendy was undergoing a Sunderland medical earlier this week, though that report was quickly played down, along with the fact that Mendy was in Sunderland to see through his transfer. Since, journalist Michael Graham has…