Ruben Amorim has underlined his commitment to preserving Manchester United’s proudest youth record against Tottenham.The Red Devils boss has drafted Jack Fletcher into his matchday squad to replace the injured Kobbie Mainoo for the trip to Spurs – live on talkSPORT.Fletcher is included in the matchday squad against SpursGettyIt means Amorim has kept alive the club’s 88-year record of having an academy product in every matchday squad.Speaking to TNT Sports before the game, the Man United manager said: “It is really important. We are in the moment where we can cut some corners to succeed right away – [but] it’s the wrong thing.“There are some special things in our club that need to be bulletproof – the way we behave, the way we feel the club, and all the small things.“We will not stop with the academy player. It doesn’t matter about the result, we need to continue with small details that are the foundation of our club. “So we have that record – we are not going to break that record. And Jack is ready.“It’s two things together – show people that our academy is our future and to show that the players in our academy need to be ready because we will need them in the future – and that Jack is ready to help us.”Tom Manley and Jack Wassall’s involvement against Fulham on Saturday, 30 October 1937, started a tradition that became a cornerstone of United’s rich history in promoting youth stars.Since then, from the Busby Babes to the Class of ’92, youth players have been at the heart of 44 major trophies for the club, including three European Cup victories and 18 of 20 league titles.4,332 games later, that incredible streak was put in jeopardy after Mainoo did not travel to London, having sustained a minor injury.The 20-year-old has been the sole representative five times this season, including last week’s 2-2 draw with Nottingham Forest.Amorim revealed in September that he wants to preserve Man United’s proud recordHowever, Mainoo’s spot has been taken up by fellow Old Trafford youth product and England youth international Fletcher.Who is Jack Fletcher?The 18-year-old is the son of ex-Man United midfielder and the club’s current Under-18s coach Darren Fletcher.He is yet to make his first team debut for the Red Devils, but was on the bench around the first team on several occasions last season.Fletcher and his twin brother, Tyler, joined United from Manchester City‘s academy in 2023 for a combined fee of £1.25million.So why does he count as Man United’s academy?Tony Park, the youth football historian, made the club’s historic youth record famous with his 2013 published work, Sons of United.Within that, he outlined the criteria for what preserves the record.Fletcher has yet to make his senior United debutGettyHis dad, Darren, has taken on a new coaching job at UnitedGettyThese include that Man United, first and foremost, must be the player’s first professional team.He also had to have officially joined the club before turning 18, and he has made at least one appearance for the youth team.Fletcher’s inclusion ticks all criteria, with United’s recent exodus of similar academy profiles putting the long-standing feat under threat.Marcus Rashford, Scott McTominay, and Alejandro Garnacho have departed the club since 2024, with Mainoo’s future also in doubt.England international Mainoo was desperate to leave Old Trafford in the lead-up to transfer deadline day after falling out of favour.United blocked all approaches for their academy graduate, but talkSPORT understands Newcastle are keeping tabs on his situation.Match Stats