Complex sentence: The Great Lakes Summer Collegiate League (GLSCL) is an collegiate summer baseball league in the Great Lakes region of the United States that is affiliated with the National Alliance of Collegiate Summer Baseball and comprises teams with college baseball players from around North America.
Split into simpler sentences: The Great Lakes Summer Collegiate League (GLSCL) is an collegiate summer baseball league in the Great Lakes region of the United States. It is affiliated with the National Alliance of Collegiate Summer Baseball and comprises teams with college baseball players from around North America.