Nicolas Batum hit a 3-pointer at the buzzer and finished with 11 points, 12 rebounds and 11 assists in the Portland Trail Blazers' 115-105 home-opening victory over the San Antonio Spurs on Saturday night.
Damian Lillard had 25 points, seven assists and seven rebounds, and LaMarcus Aldridge added 24 points for the Blazers, who led by as many as 13 points.
Duncan sat out the Spurs' 91-85 win Friday night against the Lakers after bruising his chest in Wednesday's season-opening victory over Memphis. He had 24 points in the first loss this season for the Western Conference champions.
Portland has won five straight home openers.