Manchester United legend Teddy Sheringham is baffled by the situation surrounding one first-team player at Old Trafford under Red Devils head coach Ruben Amorim. Ruben Amorim faces a huge test in his reign as Manchester United manager when the Red Devils host Sunderland at Old Trafford on Saturday afternoon. Brentford hosted United in the Premier League for the clash at the Gtech Community Stadium and the Bees comfortably picked up all three Premier League points. United’s 3-1 loss on the weekend was the Red Devils’ third Premier League defeat in the first six league matches of the 2025-26 campaign under manager Amorim. Mainoo has been starved of United first-team minutes at Old Trafford this season, with the Red Devils midfielder not starting a single Premier League match so far.