John Obi Mikel was an unlikely goalscorer to set Chelsea on their way to a 2-0 FA Cup third-round win at Derby
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Championship side Derby County have signed winger Johnny Russell from Dundee United for a fee of around £750,000.
Derby County defender Jake Buxton has signed a new two-year contract with the club.
Buxton, who had 12 months remaining on his current deal, will now remain at Pride Park until the summer of 2015, with the option of a further year's extension.
Rams manager Nigel Clough called it "great news".
Manchester City are eyeing a move for Derby County's teenage sensation Will Hughes, according to the Sun. Midfielder Hughes, who has become a regular in the Rams ranks at just 17, would cost a reported £7million.