Mason Greenwood has become Manchester United's youngest player to start in the Premier League when he made his full debut against Cardiff City on the final day of the season.
However, the budding youth striker had already set a new record during the 2018/19 campaign that had been previously held by former academy star - Jesse Lingard.
When the 17-year-old came off the bench at Paris Saint-Germain in the Champions League win in March, he was wearing the largest shirt number in the club's history.
By wearing no.54, the centre-forward beat Lingard's 53 that the midfielder was handed during the 2011/12 campaign in Sir Alex Ferguson's reign when he was on the bench for a League Cup tie against Crystal Palace and an away defeat in the Premier League against Newcastle United.
That season was the first time United's shirt numbers had extended into the fifties - the first man to wear one in the forties was Lee Roche back in 1999/2000, when he was given the no.40.
As Sir Alex promoted several of his youth products, Sam Johnstone (50), Zeki Fryers (51) and Larnell Cole (52) were all given squad positions, along with Lingard.
This recently concluded season, goalkeeper Matej Kovar has been allocated no.51 but Greenwood can currently claim to have the biggest shirt number in our history - it will be interesting to see if that changes when the new squad is announced for 2019/20.
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