CLEVELAND — Shelvin Mack scored a career-high 24 points and the Atlanta Hawks routed the Cleveland Cavaliers 127-98 Wednesday night for their 11th victory in 12 games. Mack, a reserve guard who came in averaging 3.8 points, made all six of his 3-pointers as the Hawks went 16 for 28 from behind the arc. Trailing 50-38 midway through the second quarter, Atlanta outscored Cleveland 89-48 the rest of the way and sent the Cavaliers to their largest loss of the season.