Complex sentence: In 2010, Cooperstown got an official baseball team of its own, the Cooperstown Hawkeyes, a collegiate league team who play against many other teams from the northeast during the summer, with home games played at historic Doubleday Field.
Split into simpler sentences: In 2010, Cooperstown got an official baseball team of its own. The Cooperstown Hawkeyes are a collegiate league team who play against many other teams from the northeast during the summer, with home games played at the historic Doubleday Field.