Matt Mills has joined Barnsley following his release from their Championship rivals earlier tonight.
The 31-year-old centre-back – who has signed until the end of the season – will be the oldest player at Oakwell and the most experience as he has played more than 300 games.
He has appeared for Southampton, Manchester City, Doncaster Rovers, Reading, Leicester City, Leeds United, Bolton Wanderers and Forest.
Mills played 15 games for Forest this season including their 2-1 loss at Oakwell in August. He has been brought in following Angus MacDonald's move to Hull City and the injuries to Ethan Pinnock and Adam Jackson.
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