A good night for Texas teams in the NBA, with all three teams posting victories.  The Dallas Mavericks defeat the Boston Celtics 106-102.  Dirk Nowitzki scored 23 points, Wesley Matthews had 18 and the Mavericks erased an 18-point, first-half deficit.  The Houston Rockets also win in overtime 108-103 versus the Portland Trailblazers.   James Harden dropped  45 points, including all nine for Houston in overtime of a 108-103 victory over the Portland Trail.  How about them Spurs, they win their game 109-98 against the Denver Nuggets.  Tony Parker shined with his best game of the year with 25 points and 9 assists.  The Spurs have won 6 in a row and are still undefeated at home at the ATT Center.