Complex sentence: Cotterill signed for Barnsley on 16 February 2012, as a free agent, after leaving Swansea City a month earlier, and scored his first, and what turned out to be only goal, for his new club against Peterborough on 24 March 2012.
Split into simpler sentences: Cotterill signed for Barnsley on 16 February 2012, as a free agent. He scored his first, and what turned out to be only goal, for his new club against Peterborough United on 24 March 2012.