There are always bargains to be had on transfer deadline day, or throughout the rest of January for that matter.
It's just a case of finding the right ones for your club.
Martin O'Neill hasn't been with Sunderland long but it's no fluke that the club's upturn in results have coincided with the Northern Irishman's arrival.
O'Neill is a motivator and has had good results wherever he has managed.
With a loan deal going through yesterday that sees Bridge at the Stadium of Light until the end of the season, the English full back will be looking to remind managers and fans alike why he was once so highly thought of.
Here are 5 reasons Sunderland got an absolute bargain.