Stoke City boss Mark Hughes admits his squad is set for an upgrade in 2015.
Wilson Palacios is the only player falling out of contract next summer and certain to be released then, if not sooner.
Peter Crouch, Andy Wilkinson and Thomas Sorensen are among other players currently sitting on deals scheduled to expire at the end of the season.
Hughes told The Sentinel: "We're doing OK, but at some point in the future we will have to re-invest in the squad as players will go out of contract and we will have to replace good players with hopefully better players."
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