Manchester United struggle to 'keep the energy level high' for Ralf Rangnick ahead of Erik ten Hag arrival | CBS Sports Headlines Manchester United struggle to 'keep the energy level high' for Ralf Rangnick ahead of Erik ten Hag arrival United showed flashes of promise as they chased the game … Continue reading Manchester United struggle to 'keep the energy level high' for Ralf Rangnick ahead of Erik ten Hag arrival