LOS ANGELES, United States — Shai Gilgeous-Alexander has equalled Wilt Chamberlain’s 63-year-old 20-point scoring record on Monday as the Oklahoma City Thunder defeated the Denver Nuggets 129-126 in a pulsating clash of the Western Conference titans. Gilgeous-Alexander finished with 35 points, 15 assists and nine rebounds to pull level with Chamberlain’s longstanding mark of scoring