Arsenal legend and ex-England winger Paul Merson (Picture: Sky Sports)Paul Merson admits he has been shocked by Mason Mount’s struggles at Manchester United given he was ‘unbelievable’ at Chelsea. Manchester United emerged as the frontrunners to secure Mount’s signature and ended up bringing him to Old Trafford in a deal worth £60m. Get personalised updates on Manchester United every day Wake up to find news on your club in your inbox every morning with Metro’s Football Newsletter. Merson says Mount has ‘probably had two good games’ for Manchester United and believes his struggles highlight the pressures of playing for the Red Devils. I’m a Chelsea fan and Mason Mount was unbelievable for us, unbelievable!