*Club domestic league appearances and goals, correct as of 19:20, 24 November 2024 (UTC) ‡ National team caps and goals, correct as of 22:40, 17 November 2024 (UTC)
Sardella went through the youth system at KVK Wemmel and FC Brussels before moving to RSC Anderlecht. At FC Brussels he played together with Anouar Ait El Hadj, who he would later play alongside in the Anderlecht first team. In the summer of 2019, Mauves coach Vincent Kompany transferred him to the Anderlecht first team, with Sardella making his debut in the Brussels side's third league game of the 2019-20 season in a 0-0 draw against KV Mechelen as a starter. Sardella played the entire match. After his first season with the first team, in which he played 20 matches in all competitions, Anderlecht extended his contract until 2025.
In his second season, he started eight games in a row from mid-December to late January, at the expense of more experienced players such as Bohdan Mykhaylychenko and Michael Murillo. Coach Vincent Kompany played Sardella, who played as a controlling midfielder in the youth team and later as a central defender, mainly as a wing defender that season. He was only posted in the centre of defence again in his last three games of the season.
In the 2021/22 season, Sardella, just like the season before, made a mistake on the opening match day: against Union Saint-Gilloise, he misjudged a cross-field pass from Jonas Bager to Loïc Lapoussin, allowing the latter to offer Deniz Undav the opening goal. Sardella was then taken to task by (part of) the Anderlecht crowd and was substituted by Michael Murillo during half-time. Sardella was given two more starting places against KF Laçi in the UEFA Europa Conference League shortly afterwards, but in the league he had to wait a while for another chance. On 30 March 2024, Sardella scored for the first time in his career in the top flight for the only goal in a 1-0 win over defending champions Royal Antwerp in the title play-offs. Anderlecht would finish the season in third, as they had also done in 2020-21.
International football
Sardella was Belgium captain for the 2019 UEFA European Under-17 Championship held in Ireland. Belgium were knocked out at the quarter-finals stage by the Netherlands 3-0 in Bray.
Sardella made his debut for the Belgium senior team on 17 November 2024, as he was subbed on in the 93rd minute in a UEFA Nations League group stage match against Israel, which ended 1-0 in favour of the latter.[2]
Personal life
Sardella was born in Belgium to an Italian father and Congolese mother.[3]
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