Date of birth
Defender. Luton-born Justin signed a professional contract with the club at the same time as youth team colleague Frankie Musonda in November 2015.
First joined the Hatters in 2005 and along with Musonda, won the Aarau Masters as an Under-11, beating Bayern Munich in the final.
Made his senior debut as a substitute against Exeter on the final day of the 2015-16 season, before going onto be a regular in the 2016/17 campaign – including a man-of-the-match winning first start in the EFL Cup win over Aston Villa.
He scored his first senior goal in the 4-1 win at Accrington in late April 2017 and finished his breakthrough campaign by earning a call-up to the England Under-19 long squad for training camps ahead of the 2017 UEFA European Championships in Georgia.
In the summer of 2017 he signed a new contract with the Hatters until 2020, which was extended until 2021 following the Hatters' promotion to League One.
Made his England Under-20 debut against Holland at Telford in August 2017.