Complex sentence: Around the time that Kerr entered PRIDE, many considered Kerr to be the best MMA fighter in the world and he would go on to win four bouts between Pride 2 and Pride 6.
Split into simpler sentences: Around the time that Kerr entered PRIDE, many considered Kerr to be the best MMA fighter in the world. Kerr won four bouts between Pride 2 and Pride 6.