Bucknell, Lafayette, and Lehigh left to help form the Patriot League in 1990, while Delaware and Drexel headed to the North Atlantic Conference (now known as the America East Conference) in 1991.
In 1990, Bucknell, Lafayette, and Lehigh departed to establish the Patriot League. Meanwhile, Delaware and Drexel moved to the North Atlantic Conference (now called the America East Conference) in 1991.