NBA: Durant the star as Thunder rolls San Antonio

The host Thunder punched its ticket to its fourth Western Conference finals in six years with a 113-99 victory in front of a crowd of 18,200 at Chesapeake Energy Arena.

Oklahoma City Thunder guard Russell scored 28 points as the team overcame San Antonio Spurs 4-2.   -  AP

San Antonio Spurs center Tim Duncan (21) is fouled by Oklahoma City Thunder center Steven Adams (12) in what could be Duncan's last match in scintillating career.   -  AP

Kevin Durant scored 37 points as the Oklahoma City Thunder completed a 4-2 series victory over the San Antonio Spurs to advance to a Western Conference finals showdown with the Golden State Warriors on Thursday.

He left the game to a standing ovation after a superb personal contribution that also included nine rebounds and two assists.

"We're not done yet," Durant said. "We have to keep improving. Keep getting better and get ready for the next series."

The host Thunder punched its ticket to its fourth Western Conference finals in six years with a 113-99 victory in front of a crowd of 18,200 at Chesapeake Energy Arena.

The finals will be a chance for Oklahoma City to avenge their regular-season record against the Warriors, where they lost all three games.

San Antonio, NBA finals champion as recently as 2014, was always struggling against a powerful Thunder team led by Durant and Russell Westbrook, who finished with 28 points.

"We just came out with great intensity," said Westbrook, who had two back-to-back strong performances against the Spurs. "We knew how important this game was."

"They been a great team for years," he added. "Tonight was a tough game but we came out with the win."

Oklahoma City showed that when either Durant or Westbrook get in a groove, it is tough to beat and when both get going at the same time, it's almost impossible to stop them.

"We know what we can do as a team," Westbrook said. "We are confident in ourselves."

The Spurs had trailed by as much as 26 points at one stage in the game, but despite narrowing the gap in the fourth quarter, was always struggling to overhaul the deficit.

The Thunder continued its rebounding dominance with a 50-40 advantage. It turned the ball over 12 times, while the Spurs gave the ball away just 10 times. Oklahoma City outshot San Antonio from the floor, 47 percent to 43 percent.

"Game one they just outplayed us," Durant said of the Spurs, who won the series opener by 32 points. "Game thee, I think we gave the game away, and we didn't want to do that again. Russell (Westbrook) was huge last game. I think that propelled us into having a good game tonight.”

The semifinal exit could conceivably mark the end of the road for at least two of San Antonio's long-serving veterans, with Tim Duncan, 40 and Manu Ginobili, 38, in the twilight of their NBA careers.

The evergreen Duncan finished with 19 points, while Kawhi Leonard was the top scorer for the Spurs with 22.

Duncan's last game?

Duncan turned 40 last month and hasn't made it clear whether he plans to return for another season. He has a player option on his contract.

Although Duncan's minutes were reduced this year, he still came up with some turn back the clock moments and played a big role in helping lead the veteran Spurs squad to its best regular season in franchise history.

Asked in the Spurs' dressing room what the future holds for him, Duncan said, "I will get to that when I get out of here."

In order to reach the finals, Westbrook said, the team must beat Golden State on its home court — which he believes it can accomplish.

"Very confident we can beat them," he said. "They are a good team. They are the defending champs. We are going to go there to take care of business and try to move on."

"It is time to knuckle down."

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