Jaylen Brown scored 30 points and Kemba Walker added 26 as the Boston Celtics overcame a first-half injury to Gordon Hayward to reach a season-high in points in beating the Spurs 135-115 Saturday night for a rare victory at San Antonio. Jayson Tatum had 19 points, Marcus Smart had 16 and Robert Williams III chipped in 11 as the Celtics won their seventh straight game, and first at San Antonio since 2011.