Complex sentence: In 1999, the Olympains went undefeated for the second consecutive year in a row, within that year Holmes managed to win a Treble with the club by claiming the Open Canada Cup, CPSL Championship, and the League championship.
Split into simpler sentences: In 1999, the Olympians went undefeated for the second consecutive year in a row. Within that year Holmes managed to win a Treble with the club by claiming the Open Canada Cup, CPSL Championship, and the League championship.