Complex sentence: He played in all four of Iraq's matches in the 2004 AFC Asian Cup, but finished the campaign on a low, sent off in the quarter-finals against China after lashing out at China's Sun Jihai.
Split into simpler sentences: He played in all four of Iraq's matches in the 2004 AFC Asian Cup. However, he finished the campaign on a low, having been sent off in the quarter-finals against China after lashing out at China's Sun Jihai.