The San Antonio Spurs (56-19) will visit their Western Conference rival Oklahoma City Thunder (54-20) tonight in Oklahoma City in a battle of the 
two best teams in the West. Currently, the Thunder and Spurs are separated by 1.5 games for the No. 1 seed in the West and this will mark their final meeting this season. However, the Spurs will have to face the Thunder without Stephen Jackson who injured his right ankle during last night's game versus Orlando. He is to have an MRI done on his ankle.
The Spurs hold a 2-1 regular-season lead with the Spurs winning the last meeting 105-93 in San Antonio. Tiago Splitter finished with 21 points and 10 rebounds while Russell Westbrook had 25 point, 6 rebounds and 6 assists.
The Spurs are coming off a 98-84 win over the Magic in San Antonio. Danny Green scored 20 points to lead the Spurs who were without Manu Ginobili, DeJuan Blair, Tony Parker and Kawhi Leonard.
The Thunder, who have not played in four days, are coming off a 109-99 win over the Bucks in Milwaukee. Westbrook recorded his first triple double of the season with a 23-point, 13-rebound, 10-assist night.
And as the Spurs and Thunder get set to clash, here are five things to watch for during the game:
• The Spurs are 8-7 on the second game of a back-to-back this season.