Complex sentence: However, he failed to reach the heights of his 1976 season, going on to record a 28--48 win-loss record with Cleveland, being waived five years into the deal after the 1981 season.
Split into simpler sentences: However, he failed to reach the heights of his 1976 season, going on to record a 28--48 win-loss record with Cleveland. The Indians waived him five years into the deal after the 1981 season.