And there's plenty of value to be found in the free agent market - with several international stars available to Premier League clubs for nothing.
Scroll down and click through the pages to view the 11 available free agents top-tier clubs could sign.
1. Hatem Ben Arfa
The former Newcastle United man looks likely to sign for Italian side Genoa but Premier League clubs may be tempted to hijack the deal. Photo: ANNE-CHRISTINE POUJOULAT
2. Youssouf Mulumbu
The 32-year-old former Celtic man has a wealth of Premier League experience with West Brom. Photo: JOE KLAMAR
3. Lucas Silva
Real Madrid and Lucas Silva terminated the Brazilian's contract by mutual consent. At just 26, the midfielder will be on the radar of Premier League teams. Photo: PIERRE-PHILIPPE MARCOU
4. Fabio Coentrao
At just 31-years-old the ex-Real Madrid and Portugal international left-back has time left to resurrect his career after leaving Rio Ave. Wage demands may put some Premier League clubs off, however. Photo: MIGUEL RIOPA