Crystal Palace are following Lorient striker Benjamin Moukandjo.
The 28-year-old Cameroon international was a target for Hull City last summer and has scored 13 goals this season.
However, Moukandjo has one year left on contract and Lorient would sell for around £4.5million.
Moukandjo, who has 47 caps, can play as a striker or winger.
His goals have been vital in helping his club battle relegation from the French top flight this season, with Lorient sitting a point clear of the drop zone with three matches still to play.