Complex sentence: The Crusaders' historical home was the stadium on the grounds Dennis Yarmouth High School in the town of Yarmouth, Massachusetts, where they won back to back championships in 2002 and 2003.
Split into simpler sentences: The Crusaders' historical home was the stadium on the grounds Dennis Yarmouth High School in the town of Yarmouth, Massachusetts. Where they won back to back championships in 2002 and 2003.