Which long-running tournament in Madison Square Garden is held annually by which Division I multi-sport conference?
Big East Men's Basketball Tournament: The Big East Men's Basketball Tournament is the championship tournament of the Big East Conference in men's basketball. Big East Men's Basketball Tournament:  Since 1983, the tournament has been held in Madison Square Garden, New York City. Big East Conference:  The conference has been officially recognized as a Division I multi-sport conference, effective on August 1, 2013.
Big East Conference