West Ham United boss David Moyes is hopeful of signing Darren Randolph.
The goalkeeper is set to complete a return to the Hammers after leaving in the summer of 2017.
Randolph has appeared in 14 Championship games for Middlesbrough this season, winning Man of the Match in one of those outings.
"At the moment, he is carrying a bit of an injury he's had for several weeks and we have to make sure it has healed," Moyes told reporters on the 32-year-old.
"That's where the deal is and I'm very hopeful."