Sunderland and owner Kyril Louis-Dreyfus have been told to ‘start acting like a big club’, amid the ongoing managerial fiasco. Sunderland remain without a manager after parting ways with Michael Beale on February 19th. Kyril Louis-Dreyfus has had almost four months to find a replacement, yet it seems like the Black Cats aren’t close to hiring a new manager. The Sunderland owner, who is coming under increasing scrutiny along with sporting director Kristjaan Speakman, claimed earlier in June that an appointment was imminent. Since, long-term target Will Still has taken charge of RC Lens, before …