Complex sentence: Valdivia had an excellent performance during the Campeonato Paulista, he proclaimed champion of the tournement and also he was the second top-scorer of the club with 9 goals behind Alex Pereira.
Split into simpler sentences: Valdivia had an excellent performance during the Campeonato Paulista, being proclaimed champion of the tournament. He was the second top-scorer of the club with 9 goals behind Alex Pereira.