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.
Marco Belinelli hit a 3-pointer that pulled the Spurs to 104-100 with 1:24 left. After Lillard made two free throws, Duncan had a short jumper.
Wesley Matthews dunked for Portland but Belinelli hit another 3 to make it 108-105 with 19 seconds left. Lillard and Batum made free throws before Batum hit a long 3-pointer for the final margin and the triple-double.
The Blazers were also playing the second game of a back-to-back. Aldridge scored nine of his 25 points late in the fourth quarter to help the Blazers hold off Denver 113-98, snapping the Nuggets' 23-game regular-season home winning streak.
The Blazers jumped to an 18-11 lead, with Aldridge scoring 10 points. The Spurs tied it at 26 on Boris Diaw's short jumper.
Portland went ahead 37-31 on Lillard's 3-pointer 3:58 before the break, and last season's Rookie of the Year added two long jumpers to extend the lead to 41-33.
Aldridge made a fast-break jumper to give Portland a 50-39 halftime. He led all scorers with 14 points in the first half.
The Spurs closed the gap to 71-67 in the third quarter on Diaw's basket and free throw, and Manu Ginobili's 3-pointer. But Lillard hit a clutch 3 just before the third quarter ended to give the Blazers an 82-74 lead.
Blazers center Robin Lopez, acquired from the Pelicans in an offseason trade, had a turnaround jumper that pushed Portland's lead to 84-72.
NOTES: The Blazers dropped their season opener on the road to Phoenix, 104-91. ... Portland encouraged a "white-out" for the opener by giving all the fans a "This is Rip City" T-shirt on their seats. ... Portland claimed last season's series with the Spurs 2-1. ... The Blazers have won three straight against the Spurs.