Kevin Durant felt like he was letting his team down through three quarters. The three-time scoring champion then went on an offensive frenzy in the fourth before watching his supporting cast finish off the Dallas Mavericks. Durant scored 19 of his 31 points in the fourth quarter, Russell Westbrook had 35 including the go-ahead jumper with 1 minute left, and the Oklahoma City Thunder beat the Mavericks 107-101 on Sunday nigh
