Lille are chasing Watford attacker Dodi Lukebakio.
Lukebakio has been outstanding on-loan this season with Fortuna Dusseldorf and his form has attracted major interest from across the Bundesliga.
However, France Football says Lille are also keen and see him as a replacement for Nicolas Pepe.
Pepe is expected to be sold this summer and LOSC chief Luis Campo sees Lukebakio as an ideal successor.
An opening offer of €15m is now being prepared for Watford to consider.