Complex sentence: Torre then replaced Brown with Javier Vázquez to face Johnny Damon, who hammered his first pitch into the right-field seats for a grand slam to make the score 6-0 Boston.
Split into simpler sentences: Torre then replaced Brown with Javier Vázquez to face Johnny Damon. Damon hammered Vázquez' first pitch into the right-field seats for a grand slam to make the score 6-0 Boston.