DENVER, May 2 (Ticker) -- Tim Duncan had a big game, Tony Parker made some big shots and the San Antonio Spurs got a big win.

Duncan collected 39 points and 14 rebounds and Parker scored 11 of his 29 points in overtime as the Spurs grabbed control of their Western Conference first-round series with an emotional 126-115 victory over the Denver Nuggets.

The second-seeded Spurs have stormed back after losing the opener to win three in a row, including the last two in the altitude of the Pepsi Center, where the seventh-seeded Nuggets had lost just once in three months.

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For the first time in the postseason, Duncan looked like himself. Still working his way back from a sprained ankle, he made the Nuggets pay for not double-teaming him by sinking 13-of-23 shots and 13-of-14 free throws, torturing defenders in the low post.

On three consecutive possessions late in the fourth quarter, Duncan made a layup, hook and two foul shots, pulling the Spurs into a tie each time.

After the free throws, Game 3 star Manu Ginobili's driving layup gave San Antonio a 105-103 lead with with 1:05 remaining.

Carmelo Anthony sank a jumper, then answered Parker's 20-footer from the corner with two free throws with 14 seconds left, forcing overtime. However, there was no answer for Parker in the extra session.

After a hook by Duncan, Parker sank a fast-break runner and beat the shot clock with a jumper for a 113-107 lead - a cushion that came in handy when Duncan fouled out with 2:55 remaining.

Parker answered Anthony's tip-in with two free throws, then sealed matters with a 3-pointer for a 118-109 advantage with 1:40 to go.

Duncan and Parker both bounced back from poor performances in Game 3, when Duncan made just 5-of-19 shots and Parker 3-of-12.

Ginobili scored 24 points off the bench for the Spurs, who were an uncharacteristic 39-of-45 from the line and can advance to the conference semifinals for the eighth time in nine years with a win at home Wednesday.

The Nuggets rallied from a 12-point deficit late in the third quarter to take the lead midway through the fourth period but could not hold on. They wasted a career-high 32 points by Earl Boykins and 28 from Anthony.

The teams combined for 73 fouls, 37 by Denver, which made 38-of-46 free throws.

Duncan scored 18 points in the first half, when San Antonio led by as many as 10 points before settling for a 57-51 lead. Denver battled back for a 61-61 tie before Duncan got going again, making two free throws and a three-point play for an 87-75 bulge late in the third period.

In the fourth quarter, the Spurs missed nine straight shots, revisiting their awful finish from Game One. Anthony's jumper capped a 12-2 surge that gave the Nuggets a 97-94 edge with 4:24 to go.

Marcus Camby and Kenyon Martin scored 12 points apiece and Andre Miller added 12 for Denver. But Martin and Miller fouled out in overtime, when the game became somewhat of a battle of attrition.