Real Sociedad defender Inigo Martinez is being watched by Manchester United and Manchester City.
Martinez has also been linked with Barcelona as a replacement for departing captain Carles Puyol.
AS says United and City have been scouting Martinez, with both Manchester giants in the market for a new centre-half.
Real are reluctant to sell, however, and are hoping to keep hold of Martinez with the offer of a new, improved deal.
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