Tony Parker had 18 points and seven assists for the Spurs, who have won nine of their last 10.
The Spurs shot 41 percent in the first half but led 41-40 at the break. Manu Ginobili scored seven straight points in the third to help San Antonio open up a nine-point lead with 5:18 left.
Andrew Bogut finished with 13 points and 10 rebounds for Milwaukee, which had a chance to tie it in the final seconds but T.J. Ford missed a desperation 3-pointer at the buzzer.
Nuggets 90, Cavaliers 89
At Denver, Carmelo Anthony and Earl Boykins scored 17 points apiece for Denver, and Cleveland's LeBron James missed a free throw with .6 seconds left.
James finished with 24 points but the Cavs lost their fifth straight, including the first four on their Western trip.
Kenyon Martin and Eduardo Najera each scored 16 for Denver.
Anthony zipped past Ira Newble for a dunk that gave the Nuggets an 89-87 lead with 21 seconds left.
Denver led 90-87 in the final seconds when Andre Miller fouled James before he could set up for a three. James made his first shot, then purposely misfired his second and grabbed his own rebound while getting fouled by Martin. James swished the first shot to make it 90-89, then missed his second.
Suns 112, Clippers 102
At Los Angeles, Shawn Marion had 30 points and 17 rebounds and Steve Nash added 20 points and 18 assists to lift Phoenix over the Los Angeles Clippers.
Leandro Barbosa scored 21 points for the Suns, who were coming off a season-worst 29-point loss at Sacramento that matched the most lopsided defeat since Mike D'Antonio became head coach. They led the Clippers by as many as 21 points early in the third quarter before staving off a fourth-quarter rally by Los Angeles.
Sam Cassell scored 27 points for the Clippers, who weren't able to contain the NBA's highest-scoring team after winning their previous three games. Elton Brand had 19 points, and Chris Kaman added 13 points and 17 rebounds.
Trail Blazers 96, Raptors 94
At Portland, Oregon, Zach Randolph scored 22 points and Portland beat Toronto for its fourth consecutive win.
Viktor Khryapa had 18 points and 12 rebounds for the Blazers, who blew a 17-point fourth-quarter lead. Emphasizing defense, Portland has gone 7-6 over the last 13 games -- following a stretch when it went just 2-11.
Chris Bosh had 22 points and nine rebounds for Toronto, which took a 94-93 lead on Bosh's jumper with 30.9 seconds left.
With 21.6 seconds left, Morris Peterson fouled Portland's Juan Dixon, who made both his shots. Mike James drove to Toronto's basket, but couldn't make the shot and fouled Khryapa.
Khryapa missed his first free throw but made his second for the final margin.
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