Archbishop Spalding High School opened its new $5.2 million sports facility yesterday and sophomore guard Kevon Moore scored 24 points to lead the Cavaliers to a 72-56 win over St. John's at Prospect Hall in a MIAA A Conference basketball game. Spalding snapped a three-game losing streak and improved to 10-11 overall and 2-4 in the conference. St. John's fell to 12-9, 2-5. "We played a very complete game," Cavaliers coach Mike Glick said. "It was also a wonderful way to open up the new facility." Senior guard Derek Young added 19 points for Spalding and senior forward Daniel Palumbo chipped in 14. St. John's P/H (12-9) 13 13 14 16 - 56 Archbishop Spalding (11-10) 14 18 19 21 - 72 St. John's P/H (56) Vann 4 9-11 17, Smedley 2(1) 2-4 7, Houston 4 4-6 12, Henry 8(2) 0-0 18, Dunkin 1 0-0 2. Totals: 19(3) 15-22 56. Archbishop Spalding (72) Young 6(1) 6-8 19, Palumbo 6 2-2 14, Quinn 1 1-2 3, Bald 3 0-0 6, Moore 8(2) 6-6 24, Wood 0 0-2 0, Desouza 1 2-2 4, Brinkley 0 2-2 2. Totals: 25(3) 19-24 72.