Nottingham Forest have signed Middlesbrough defender Djed Spence on a season-long loan deal.
The deal was completed in time for Tuesday's 23:00 BST transfer deadline.
Forest, who are bottom of the Championship, also added Olimpia midfielder Braian Ojeda, Olympiakos full-back Mohamed Drager and West Ham forward Xande Silva on deadline day.
Find all the latest football transfers on our dedicated page.