Paul Scholes (unattached), Frederic Veseli (Man City, undisc).
During the summer Sir Alex Ferguson was criticised for not signing a replacement for midfielder maestro Paul Scholes, who ended his illustrious Old Trafford career in May.
Come January, the Manchester United boss was tipped to make up for not reinforcing his midfield by bringing a playmaker of some repute to the club.
However, Ferguson instead decided to coax Scholes out of retirement - a transfer window signing money, quite literally, could not buy.
The 37-year-old has made five appearances for the Premier League champions since his return, and brought an extra calmness and composure to the United midfield.
Meanwhile, United beat Liverpool to the signing of Manchester City teenager Frederic Veseli, who is a former captain of Switzerland under-19s.
It is hardly a transfer to send waves of excitement through United's fanbase, but the 19-year-old is very highly regarded in Manchester.
Federico Macheda (QPR, loan); Darron Gibson (Everton, undisc); Mame Biram Diouf (Hannover, undisc); Josh King (Hull, loan); Ravel Morrison (West Ham, undisc); Scott Wootton (Nottm Forest, loan).
Seven academy graduates left United during the transfer window, with some off to pastures new and others only leaving the club in the short-term.
Darron Gibson moved to Everton early in the month with the best wishes of Sir Alex Ferguson, having made only three appearances for United this season.
The Republic of Ireland international already looks to have been an astute signing by David Moyes, having scored the winner in Tuesday night's victory against Manchester City.
Ravel Morrison, meanwhile, also left the club on a permanent basis, although some what more acrimoniously than his former team-mate.
The 18-year-old is regarded as one of the finest young players to move through the United ranks in recent years, but the young midfielder fell foul of Ferguson.
And, with his contract set to expire, West Ham secured his services on deadline day - quite a coup for the Championship club.
Meanwhile, Mame Biram Diouf and Federico Macheda - two strikers well down the United pecking order - both left the club, with the former joining Hannover and the latter Queens Park Rangers on loan.
Ferguson will no doubt be keeping a keen eye on the progress of Macheda at Loftus Road, having promised so much when he burst onto the scene as a 17-year-old.
But, realistically, Ferguson was never likely to spend big to reinforce his squad during the winter window, and is likely to finally replace Scholes at the end of the season.
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