The latest name in the frame is German powerhouse Bastian Schweinsteiger. (caughtoffside.com)
The swashbuckling Bayern Munich midfielder starred at the World Cup this summer, and the 26-year-old is among the most highly-rated midfielders in the game.
Ferguson is said to be a big admirer of Schweinsteiger, and United could tempt Munich to sell in the January window if they come in with an appropriate bid.
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On the subject of United midfielders, Paul Ince is back in the headlines after being linked to the vacant manager's job at Notts County.
County sacked Craig Short last week after a poor start to the League One season, and Ince has reportedly said he's very keen on the job. (Daily Mirror)
The 43-year-old former England international has been out of football since resigning from his second spell at MK Dons last year.