OKLAHOMA CITY (AP) — The San Antonio Spurs and Oklahoma City Thunder saved the best for last in the NBA's Western Conference finals.

The Spurs reached the finals for the second straight year

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 by outlasting the Thunder in Game 6, winning 112-107 in overtime. It was the only game won by the road team in the series and the tightest win for the Spurs, who earned their first three victories by an average of 27 points.

Tim Duncan finished with 19 points and 15 rebounds, while Boris Diaw (DEE'-ow) had a team-high 26 points for the Spurs. Duncan scored seven straight Spurs points in overtime, capped by a jumper that put San Antonio ahead 110-107 with 19.4 seconds left.

Kawhi Leonard added 17 points and 11 boards for the Spurs, who now prepare to face Miami in a rematch of last year's NBA Finals.

San Antonio managed to close out the win despite the loss of Tony Parker, who sat out the second half and overtime with left ankle soreness. The Spurs didn't miss Parker in the third quarter, outscoring the Thunder 37-20 to go ahead by 10. San Antonio owned a nine-point lead midway through the fourth quarter before Russell Westbrook and Kevin Durant combined for 16 points the rest of the period. Westbrook extended the game by hitting two free throws with 9.3 seconds left in regulation.

Westbrook finished with 34 points, eight assists and seven rebounds, while Durant had 31 points and 14 boards. Both had seven of the Thunder's 19 turnovers.

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