By Tom Gott Go Ahead Eagles manager Rene Hake has confirmed he is set to take up the “great opportunity” of joining Erik ten Hag’s coaching staff at Manchester United. United are reshuffling Ten Hag’s backroom team this summer. Popular coach Benni McCarthy will depart upon the expiry of his contract but he is expected to be replaced by both Hake and former United striker Ruud van Nistelrooy. While Hake, who worked alongside Ten Hag at Twente earlier in his career, may have nine years of senior management experience to his name, he admitted to Algemeen Dagblad that is was a “no-brainer” to take…