In 2007 , he became manager of Rotherham United .
In 2007 , he joined Barnsley in the same capacity in 2009 , before leaving in 2011 , following differences between him and the board .
In 2007 , he became manager of Rotherham United , and joined Barnsley in the same capacity in 2009 , before leaving in 2011 , following differences between him and the board .