MINNEAPOLIS (AP)—Shawn Marion amassed a season-high 29 points and 14 rebounds and the Dallas Mavericks won their 12th straight game with a 125-112 win over the Minnesota Timberwolves Monday at Target Center. Dirk Nowitzki added 24 points while Caron Butler stepped up with 23 more as the Mavericks pulled to within 2.5 games of the Los Angeles Lakers for the #1 seed in the Western Conference playoffs. Al Jefferson had 36 points and 13 rebounds in the loss for Minnesota. In other NBA action Monday, Cleveland edged San Antonio, 97-95, New York held off Atlanta, 99-98, New Orleans outgunned Golden State, 135-131 and Memphis downed New Jersey, 107-101.