Complex sentence: During the first half of the season, he led the nation in goals scored, but he played a different scoring role during the final nine regular season games as the team went 8--1 and he scored two goals and posted 14 assists.
Split into simpler sentences: During the first half of the season, he led the nation in goals scored. He played a different scoring role during the final nine regular season games, as the team went 8--1 and he scored two goals and posted 14 assists.