From January 1, any player who's deal expires at the end of this season can negotiate and sign a pre-contract with any foreign club.
Transfermarkt have listed their top ten most valuable Bosman prospects now that we're in 2026.
The most valuable player overall is Dayot Upamecano - the French central defender from Bayern Munich has an estimated price tag of €70m.
Top 10 most valuable Bosman players
1. Dayot Upamecano - Bayern Munich - €70 million
2. Marc Guehi - Crystal Palace - €55 million
3. Ibrahima Konaté - Liverpool - €50 million
4. Dusan Vlahovic - Juventus - €35 million
5. Bernardo Silva - Manchester City - €27 million
6. Mike Maignan - Milan - €25 million
7. Ruben Neves - Al Hilal - €25 million
8. Vitaliy Mykolenko - Everton - €25 million
9. Quinten Timbre - Feyenoord - €25 million
10. Weston McKennie - Juventus - €22 million