Complex sentence: He went on to score in all four games of the tournament, including game-winners against the Kitchener Rangers in the round-robin and final, as the Chiefs went undefeated to capture the Memorial Cup as Canadian major junior champions.
Split into simpler sentences: He went on to score in all four games of the tournament, including game-winners against the Kitchener Rangers in the round-robin and final. The Chiefs went undefeated in the tournament to capture the Memorial Cup as Canadian major junior champions.