Manager Slavisa Jokanovic is hoping the centre-back can be registered in time to be available for Wednesday night's clash with West Brom.
A season-long loan had been agreed for Jokanovic's No.1 defensive target to move to Bramall Lane.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!