Rooney, the cousin of England and Manchester United legend Wayne, joined the Clarets as a 14-year old back in 2016.
The ex-Tranmere Rovers defender is also an U13 Liverpool Schoolboys Nationals Cup champion, alongside teammate Finley Armstrong.
The Liverpool-born centre-back signed a two-year scholarship with the Clarets at the end of the 2018/19 season.
Rooney became a vital member of the youth team throughout the 2019/20 season, which reached the FA Youth Cup quarter-finals.
And the centre-back then enjoyed another succesful campaign for both the U23s and U18s, winning the youth team player of the season for 2020/21.
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