Shai Gilgeous-Alexander scored 37 points and Oklahoma City defeated the Memphis Grizzlies 125-104 on Thursday night as the Thunder won their eighth straight and team-record 61st game of the season. Isaiah Hartenstein added 18 points and 11 rebounds for Oklahoma City (61-12), which remained two games ahead of Cleveland for the league’s best record with nine games to play. The Thunder have clinched the best record in the Western Conference.