The 19-year-old midfielder looked set to join the Hoops earlier this month after the two clubs agreed a £3 million fee, but the deal looked dead after Celtic hit out at his agent’s demands.
Norwich City then seemed set to snap up Turnbull only for it to emerge last week that Celtic were once again in pole position.
As we told you at the time, Turnbull was photographed wearing the iconic green and white Celtic shirt whilst sitting next to Neil Lennon, and looked to be carrying out interviews with the club’s in-house TV channel.
However, the Daily Record are tonight reporting that a problem picked up during the medical could scupper the transfer, and it’s fair to say there’s plenty of Celtic fans losing patience:
Do you think Turnbull will end up signing for Celtic, and is he a player worth all of this hassle?
Let us know in the comments section below…