Complex sentence: Bothered by an ailing shoulder, Yap had a slow start in the 2004-05 season but later on, he improved as he had numerous games of which he scored 20 or more points.
Split into simpler sentences: Bothered by an ailing shoulder, Yap had a slow start in the 2004-05 season. Later on, he improved as he had numerous games of which he scored 20 or more points.