Complex sentence: After missing all but the season opener of the 1978 season with a shoulder injury, he returned in 1979 to play all 16 games, his six QB sacks played a vital part in the Patriots' NFL leading total of 57 QB sacks.
Split into simpler sentences: After missing all but the season opener of the 1978 season with a shoulder injury, he returned in 1979 to play all 16 games. His six QB sacks played a vital part in the Patriots' NFL leading total of 57 QB sacks.