Jimmy Butler posts double-double, Heat hand Mavs another loss
Jimmy Butler posted a double-double of 35 points and a game-high 12 assists, and the Miami Heat never trailed after a 15-0 first-half run as they extended the visiting Dallas Mavericks' woes with a 129-122 decision on Saturday. Miami (41-37) built a lead of as many as 18 points before halftime thanks to its big run, which spanned the final 2:15 of the first quarter and the first 1:17 of the second. The Heat's blistering