Spencer Dinwiddie scored 28 points and Kyrie Irving added 24 points as the visiting Dallas Mavericks beat the Oklahoma City Thunder 121-115 in the NBA on Thursday. P.J. Washington added 22 points and 19 rebounds as Dallas shot 52.7 percent from the floor. Daniel Gafford tallied 12 points and Olivier-Maxence Prosper chipped in 14 points
