Complex sentence: There are a number of intense rivalries within the Atlantic 10, with rivalries that carry over from the Big 5 which includes Saint Joseph's, La Salle, and Temple (now in the American Athletic Conference).
Split into simpler sentences: There are a number of intense rivalries within the Atlantic 10. Rivalries that carry over from the Big 5 which includes Saint Joseph's, La Salle, and Temple (now in the American Athletic Conference).