This has put clubs in League One and the second tier needing reinforcements on red alert – especially those in need of a centre-back.
Pompey arguably fall into this category with Hayden Carter looking likely to remain at Blackburn this summer, and Sean Raggett yet to extend his stay at the Blues.
But who could they sign for free in pre-season?
Here’s who we found among the names set to leave their clubs at the end of their contracts in June.
But who could they sign for free in pre-season?
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