Kevin Martin drained 7-of-12 shots en route to 24 points for the Thunder, who haven't lost since Nov. 23.
Russell Westbrook (21 points, seven rebounds and six assists) and Serge Ibaka (12 points, nine boards) also helped out in Oklahoma City's latest victory.
The Pacers got 21 points and nine rebounds from David West, but still fell for the second straight game.
Paul George supplied and 17 points and eight boards for Indiana.
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