Wigan Athletic manager Roberto Martinez has warned potential bidders that midfield hardman Lee Cattermole is not for sale at any price.
The 21-year-old England Under-21 international has emerged as a major target for Sunderland and former Latics boss Steve Bruce, but Martinez is not interested in any deal.
He told Sky Sports News: "I think the interest is something that Lee should be very proud of, but Lee is now focused on the new season with Wigan Athletic.
"You can always have interest but Lee Cattermole is not for sale, there is not even a price on his head.
"We are in a great position that means we don't have to sell anyone to balance the books."