Alan Pardew has admitted he is considering allowing one of his young goalkeepers to leave . and put his faith in 36-year old Steve Harper. Celtic have been been interested in Fraser Forster after the 23-year-old’s successful loan season at Parkhead. Neil Lennon made an initial offer of £1.5million but it was rejected by Newcastle. However, Pardew says he will choose between Forster and Tim Krul with Steve Harper set to fight it out with the winner for the position.