Complex sentence: Walker's production dipped in the 2006-2007 series as he averaged 8 points a game and 3.7 rebounds as the Heat failed to repeat as champions following a first round loss to the Chicago Bulls.
Split into simpler sentences: Walker's production dipped in the 2006-2007 series as he averaged 8 points a game and 3.7 rebounds. The Heat failed to repeat as champions following a first round loss to the Chicago Bulls.