Complex sentence: He was limited to 63 games in the 1986--87 season but he still managed to score 38 goals, retiring after the season at just age 30, having scored 573 goals and 553 assists in 752 NHL games, all with the Islanders.
Split into simpler sentences: He was limited to 63 games in the 1986--87 season but he still managed to score 38 goals. Having played his last game at the young age of 30, he scored 573 goals and 553 assists in 752 NHL games, all with the Islanders.