Olsen played 11 times in all competitions on loan at Carlo Ancelotti’s Everton last seasons, including seven games in the Premier League.
West Ham have been heavily linked with a £11m move for West Brom keeper Sam Johnstone as well as a loan with an option to buy for 28-year-old PSG keeper Alphonse Areola who was on loan to Fulham last season.
By the look of 36-year-old Fabianksi yesterday at Celtic Park he has no intention of giving up his number one spot that easily.