Complex sentence: On 20 September 2006 he was unveiled as manager of Queens Park Rangers after Gary Waddock stepped down following a poor succession of results that had left the club bottom of the Football League Championship.
Split into simpler sentences: On 20 September 2006 he was unveiled as manager of Queens Park Rangers. He replaced Gary Waddock, who had stepped down following a poor succession of results that had left the club bottom of the Football League Championship.