EXCLUSIVE with Graeme BaileySome of Europe’s best players become free agents in 2025 – with Manchester United and Tottenham among a number of Premier League clubs who could sign one of them. The likes of Trent Alexander-Arnold, Leroy Sane, Mohamed Salah, Joshua Kimmich, Virgil van Dijk, Heung-min Son and Kevin De Bruyne see their respective contracts expire in the summer. In these situations, players can sign pre-contract agreements with other clubs in the January transfer window six months before their deals expire. Now, sources inform TBR Football that Manchester United and Tottenham – along…