Complex sentence: Following his successful first stint at Caracas, which included two league titles, Rojas joined Ecuadorean power Emelec in 2003, that season he was selected as the top foreign player in the league.
Split into simpler sentences: Following his successful first stint at Caracas, which included two league titles, he joined Ecuadorean power Emelec in 2003. That season, he was selected as the top foreign player in the league.