Complex sentence: Boycott was left out of the first three Tests against the World XI in 1970, he played in the fourth and scored 15 and 64, and in the final Test of the summer scored 157.
Split into simpler sentences: Boycott was left out of the first three Tests against the World XI in 1970. He played in the fourth, and scored 15 and 64, and in the final Test of the summer scored 157.