San Antonio Spurs' Tim Duncan (21) celebrates with teammate Kawhi Leonard, center, as Portland Trail Blazers' LaMarcus Aldridge, right, looks on during their Game 2 of a Western Conference semifinal NBA basketball playoff series, Thursday, May 8, 2014, in San Antonio. San Antonio won 114-97.

SAN ANTONIO - Kawhi Leonard scored 20 points, Tony Parker had 16 points and 10 assists, and the San Antonio Spurs rolled to a 114-97 victory over the Portland Trail Blazers on Thursday night for a 2-0 lead in the Western Conference semifinals.

Manu Ginobili added 16 points, Marco Belinelli scored 13, and Tiago Splitter had 10 points and 10 rebounds in the Spurs' second convincing victory to open the best-of-seven series.

Nicolas Batum scored 21 points for Portland. Damian Lillard had 19 points and LaMarcus Aldridge added 16 points and 10 rebounds, but Portland again struggled to score against San Antonio's suffocating defense.

The Trail Blazers host Game 3 on Saturday night.