Championship side Reading have signed former Fulham, Aston Villa and Bolton defender Zat Knight on a free transfer until the end of the season.
Knight has two England caps and started his career at Fulham before making a £3.5m move to Villa in August 2007.
The 34-year-old joined Bolton for £4m in July 2009 but left at the end of last season and had a brief spell with Colorado Rapids in Major League Soccer.
Reading have 10 league games left as well as an FA Cup quarter-final replay.
"With the team currently in the middle of a really hectic schedule, I felt it was prudent to bring another experienced defender to help share the load," Royals manager Steve Clarke told the club website.
"When I heard that Zat was back in the UK and looking for a club, I felt he would be a perfect fit."