Reports in The Express and The Times claim Roberto Martinez has identified strikers Didier Ya Konan and Loïc Rémy as transfer targets.
Hannover striker Didier Ya Konan has spent the past five seasons in Germany, contributing 45 goals and 26 assists in all competitions.
Queens Park Rangers striker, Loic Remy, who spent last season on loan at Newcastle, has an £8m release clause in his contract and is expected to leave Loftus Road this summer on a permanent basis