Ruud van Nistelrooy has already made a lasting impression on Manchester United’s first-team players after his sensational return to Old Trafford in the summer. Red Devils boss Erik ten Hag saw a major shake-up to his Manchester United coaching staff ahead of the 2024-25 Premier League campaign. Former Go Ahead Eagles head coach Rene Hake and ex-PSV Eindhoven boss Ruud van Nistelrooy arrived as the new assistant managers for Erik ten Hag. United legend Van Nistelrooy spent the whole of the 2023-24 season on the sidelines after he left his first managerial role at PSV Eindhoven in 2023. Despite …