Complex sentence: Rojas scored the match winning goal for Chile in the 90th minute against Yugoslavia in the 1962 World Cup; his goal secured a third place finish for the World Cup hosts, which is Chile's best finish in the tournament to date.
Split into simpler sentences: Rojas scored the match winning goal for Chile in the 90th minute against Yugoslavia in the 1962 World Cup. His goal secured third place for the World Cup hosts, and is Chile's best finish in the tournament to date.