Complex sentence: When Bigelow left the group to feud with Douglas for the ECW World Heavyweight Championship, Lance Storm took his place, but it was short-lived as Storm and Candido did not get along and Storm was kicked out.
Split into simpler sentences: When Bigelow left the group to feud with Douglas for the ECW World Heavyweight Championship, Lance Storm took his place. It was short-lived, however, as Storm and Candido did not get along and Storm was kicked out.