Newcastle United will have to bid upwards of £10million to land Anthony Knockaert.
The Brighton winger has emerged as a summer target for the Magpies.
United manager Rafa Benitez wants to sign another wide player for the new Championship season.
And Newcastle, who take on Vitesse Arnhem at St James’s Park this afternoon (3pm kick-off), has financial muscle following last week’s sale of Georginio Wijnaldum to Liverpool for £25million.
The Gazette understands Newcastle have inquired about the 24-year-old, who had a previous spell in England with Leicester City.
But Brighton are desperate to hold on to Knockaert, signed from Standard Liege for £2.6million in January, and manager Chris Hughton is under no pressure to sell.
The Seagulls have already knocked back offers for defender Lewis Dunk and midfielder Dale Stephens this summer from Crystal Palace and Burnley respectively.
And chairman Tony Bloom wants to keep Hughton’s squad together ahead of a renewed promotion challenge.