Complex sentence: It was whilst at Oakwell that his notorious temper first became evident, before he could start his first game for the Tykes he had to serve a two month suspension following an ugly brawl with some Birmingham City players in a pre--season friendly.
Split into simpler sentences: It was whilst at Oakwell that his notorious temper first became evident. Before he could start his first game for the Tykes he had to serve a two month suspension following an ugly brawl with some Birmingham City players in a pre-season friendly.