When did Gary Caldwell retire from professional football?
He has not retired
Gary Caldwell retired from professional football in 2015 after a career that saw him play for Coventry City, Sunderland, Celtic, Wigan Athletic, Birmingham City, and Sheffield United. Caldwell was a centre-back who was known for his strength and leadership. He was also a key player in Celtic's 2007-08 Scottish Premier League title-winning season.
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