Tim Duncan had a big night Sunday with 24 points and 11 rebounds and San Antonio stayed unbeaten at home with a 102-91 win over Phoenix. The Spurs also used 17 points and nine assists from Tony Parker to improve to 9-0 on their home court. DeJuan Blair helped San Antonio\'s cause with 14 points. Phoenix, meanwhile, dropped its fourth straight despite Marcin Gortat\'s 24 points and 15 rebounds. Steve Nash overcame a bruised right quadriceps to add 20 points and 10 assists for the losers.