Complex sentence: During his peak, Santos played for South China Athletic Association from 1983 to 1997, awarded two times Footballer of the year and rounded off his career with Sun Hei, whom he also coached.
Split into simpler sentences: During his peak (1983-1997), Santos played for South China Athletic Association. He was twice awarded Footballer of the year and he rounded off his career with Sun Hei, which he also coached.