OKLAHOMA CITY -- Tired wasnt an option for Russell Westbrook on Friday night.The explosive point guard had 51 points in a triple-double and scored the winning points in the Oklahoma City Thunders 113-110 overtime victory over the Phoenix Suns. He played just over 45 minutes and never slowed down.Youve got to want to win, he said. Very simple. When you want to win, you dont think about being tired. To me, being tired is a mind thing. Its in your mind. Youve got to go out there and compete at a high level and leave it on the floor.According to the Thunder, it was the first 50-point triple-double since Kareem Abdul-Jabbar had one in 1975. Westbrook finished with 13 rebounds and 10 assists and took a career-high 44 shots to claim his 38th career triple-double.It was the franchises first game without Kevin Durant on the roster since it moved to Oklahoma City in 2008. Durant left in the offseason to play for the Golden State Warriors. In Oklahoma Citys home opener, Westbrook reminded the fans that theres still star power in town.Westbrook made a layup to put the Thunder up a point with 7.6 seconds remaining. Phoenixs Devin Booker missed a layup and Westbrook was fouled. Westbrook scored his 50th and 51st points at the free-throw line with 3.5 seconds remaining. Booker missed a 3-pointer as time expired.Westbrook was 17 of 44 from the field, 2 of 10 from 3-point range and made 15 of 20 free throws. He scored 39 points in the second half and overtime.Thats what he does, Booker said. He is an aggressive scorer. One of the best players in the league. We knew that coming in here.T.J. Warren had a career-high 30 points for the Suns.Westbrook tied it at 59 on a layup and free throw early in the third, but the Suns responded with a 12-0 run. Westbrook kept the Thunder in it with 23 points in the third quarter on 7-for- 12 shooting, but the Suns led 83-77 heading into the fourth.Westbrook returned from a rest with 8:50 remaining and the Thunder trailing 89-81. Four minutes later, his driving layup gave the Oklahoma City a 97-96 lead. Westbrook then found Roberson open, and Robersons 3-pointer pushed Oklahoma Citys lead to 102-98 with 2:39 to play.After Phoenix rallied to tie it at 102, Westbrook missed