Manchester United are set to strengthen the club’s coaching staff by appointing another senior figure. Erik ten Hag is set to add Rene Hake to his Manchester United coaching staff along with Ruud van Nistelrooy. Hake is the currently Go Ahead Eagles manager, and attracting him into Ten Hag’s support staff once ahead re-affirms the attraction of working at Manchester United. The Dutch club are not expected to stand in Hake’s way, however, there is a financial cost involved. Rene Hake release clauseManchester United must pay a fee in compensation to Go Ahead Eagles to terminate Rene Hake’s contr…