Complex sentence: On 1 September 2009, Blair signed for Conference National outfit Mansfield Town after being released by Torquay United, signing on the first transfer deadline day of the 2009--10 football season.
Split into simpler sentences: On 1 September 2009, Blair signed for Conference National outfit Mansfield Town after being released by Torquay United. It comes on the first transfer deadline day of the 09/10 football season.