Inter Milan will not drop their €55 million ($61 million) asking price to Manchester United for Ivan Perisic.
Jose Mourinho has identified the Croatian winger as a key target.
United are prepared to offer Inter a performance-related add-on, but the Italian club are determined to hold out for their full asking price.
Antoine Griezmann has rejected a move to United to sign an extension with Atletico.
Via Mark Ogden/ESPN