Michael McIndoe signs for the Rams.
McIndoe, 26, has signed until the end of the season and is a versatile player, equally adept as a winger or attack-minded midfielder.
He shot to national prominence earlier in the season due to his outstanding displays for Donny in the Carling Cup, where he scored goals against Premiership sides Manchester City, Aston Villa and Arsenal.
McIndoe will wear squad number 21.
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