Dallas has now won 12 of the last 14 over Sacramento, including four straight.Since losing their first two home games of the season, the Mavericks have won 20 of their last 21 at American Airlines Center including 13 straight.  The franchise record is 16 set from 1/3-3/3/06.Dallas has not lost consecutive games since opening the season 0-4.Dirk Nowitzki scored a game-high 32 points tonight and has scored 30+ in eight of the past 14 games while averaging 29.9 points per game over that span.  Dallas is 12-0 when he scores 30+ points this season.  Nowitzki scored 22 of his points in the second-half and 11 points in the fourth quarter.  It is the fourth time this season he’s scored 20+ points in a second-half and the 12th time he’s scored 10+ points in the fourth quarter (22 times in 2005-06).Dirk Nowitzki grabbed a game-high 11 rebounds and has a double-double in each of the past eight games.  He has 28 double-doubles this season after not recording his 28th until 66 games into the 2005-06 season.  Nowitzki has also had at least 20 points in each of the past eight games to go along with having 10+ boards.  No other player in the NBA has had 20+ points and 10+ rebounds in more than five straight games this season.  Nowitzki had another streak of seven straight games with 20+ points and 10+ boards earlier this season.Both teams shot above 50.0% from the floor tonight.  Dallas improves to 13-0 when shooting 50.0% or better this season and 6-2 when its opponent shoots 50.0% or better.  It is the third game this season both the Mavericks and their opponent shot 50.0% or better.Josh Howard scored 13 points tonight after having just nine the game before.  In the 22 games prior, Howard scored below 15 points just once.Devin Harris had 14 points, 6 assists, 5 rebounds, 2 blocks and a steal while committing just one turnover.  In the six games prior, he averaged just 5.5 points and 2.7 assists.  Dallas is 23-3 when he scores in double-figures and 26-3 when he records 4+ assists.  Over his last seven games played, he has 22 assists to just 5 turnovers after having 7 assists to 11 turnovers in the four games prior.The Mavericks won despite trailing 79-75 at the start of the fourth quarter.  They opened the fourth with a 14-2 run in the first 4 and a half minutes of play.  Dallas improves to 7-7 in games in which it failed to have a lead at the end of three quarters of play.