Today's schedule Pro basketball: Exhibition: Celtics vs. Detroit at the FleetCenter, 6 p.m. College field hockey: Harvard at BU, 3 p.m.; UConn at Fairfield, 3 p.m.; Gordon at Framingham St., 3 p.m.; Keene St. at Endicott, 3:30 p.m.; Colby at St. Joseph's (Maine), 4 p.m.; Brown at Holy Cross, 5 p.m.; UNH at BC, 7 p.m.; Regis at Simmons, 7 p.m.