Wanderers have described as "speculation" reports claiming Tal Ben Haim will sign for Chelsea this week.
The Israel international, whose current countract runs out at the end of the season, is also wanted by West Ham.
Allardyce is understood to be running the rule over 28-year-old Cameroon international, Jean-Noel Perrier Doumbe, who is looking for a move from the French club, Rennes. Celtic are also keen on the versatile defender.
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