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.
5. 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.
6. Wilfred Bony
The 30-year-old ex-Swansea City powerhouse has been previously linked with a move to Brighton.
7. Joel Ledley
The Wales international has been without a club since leaving Derby County last January but has a wealth of experience.
8. 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.