HOUSTON (AP) - Lou Williams scored 31 points, James Harden finished with 22 points and 12 assists, and the Houston Rockets cruised to a 137-125 victory over the Oklahoma City Thunder on Sunday.Oklahoma City star Russell Westbrook had 39 points, 11 rebounds and 13 assists for his second straight triple-double and his 36th this season, but Harden led the Rockets to a 25-point lead through three quarters in the matchup between top MVP candidates.