Complex sentence: The series lacked the intensity of the original, yet Henderson felt that he played well: he scored two goals and an assist, and though Canada finished with one win, four losses and three ties, he felt the WHA had proven itself.
Split into simpler sentences: The series lacked the intensity of the original, but Henderson felt that he played well. He scored two goals and added an assist, and though Canada finished with one win, four losses and three ties, he felt the WHA had proven itself.