Tim Duncan scored 27 points, and the San Antonio Spurs held the Dallas Mavericks to one field goal in the final seven minutes to rally for a 90-85 victory Sunday in Game 1 of their first-round playoff series. Tony Parker had 21 points, and Manu Ginobili added 17. Kawhi Leonard had 11 points and 10 rebounds and Tiago Splitter pulled down 11 rebounds.