Doncaster Rovers land midfielder signing in bid to fight relegation
The 33-year-old has been a free agent since his departure from Championship outfit Birmingham City back in November.
Clayton has spent the bulk of his career in the second tier, undergoing spells at Leeds United, Huddersfield Town, Middlesbrough and Birmingham.
He also registered 34 top-flight appearances for Boro across the 2016-17 Premier League season.
A graduate of the Manchester City academy, Clayton has played over 450 career games since making his league debut on loan at Carlisle United in 2009.
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