Complex sentence: However, the Lions were not serious challengers in both Semi-Pro League or in the Cup then as they had only won the Semi-Pro League once in 1985, failed to qualify for the Malaysian Cup on my occasions or being knocked out of the Cup in early stages.
Split into simpler sentences: However, the Lions were not serious challengers in both the League or the Cup. They had only won the League once in 1985, failed to qualify for the Malaysian Cup on many occasions or being knocked out of the Cup in the early stages.