Complex sentence: Joe Warren was set to fight Nick Kirk at Bellator 98, however he was not cleared to fight because he was knocked out in a sparring session prior to the fight, the fight was then rescheduled for Bellator 101 on September 27,2013.
Split into simpler sentences: Joe Warren was set to fight Nick Kirk at Bellator 98, however he was not cleared to fight because he was knocked out in a sparring session prior to the fight. The fight was then rescheduled for Bellator 101 on September 27,2013.