Crystal Palace are believed to be chasing Scandinavian-based duo Umaru Bangura and Osman Sow.
Eagles boss Ian Holloway wants 25-year old Sierra Leone midfielder Bangura who is currently contracted to Norwegian side Haugesund after failing to gain a work permit when trying to land a move to Watford back in 2006.
Palace are also showing interest in 23-year old Swedish striker Sow who recently joined Allsvenskan side Syrianska FC.