RSC Anderlecht has completed the signing of Antoine Sibierski, as confirmed by multiple sources. The transfer, which was finalized on May 10, 2026, involves a fee of €10 million, according to reports from Belgian media outlets such as Het Laatste Nieuws and La Dernière Heure.
Sibierski, a 22-year-old midfielder, previously played for Lille OSC in Ligue 1. During the 2025-2026 season, he made 28 appearances and scored 4 goals. His move to Anderlecht is seen as a strategic acquisition to strengthen the team's midfield ahead of the next campaign.
The contract is reported to be for four years, with an option for an additional year. Anderlecht's sporting director, Michael Verschueren, stated in a press release: 'We are delighted to welcome Antoine. He is a talented player who will bring creativity and energy to our squad.'
This signing aligns with Anderlecht's recent strategy of investing in young talent, following the club's return to European competition. The transfer fee of €10 million represents a significant investment for the Belgian club.
