DALLAS—LeBron James snapped a third-quarter tie with a flying rebound-layup, then Mo Williams broke things open early in the fourth, sending the Cleveland Cavaliers to a 100-81 victory over the Dallas Mavericks on Monday night.

James was only 8-of-20, but scored 29 points and took over when his team needed it. Cleveland let a 16-point lead fritter into a tie at 63, then Daniel Gibson missed a jumper from the corner, only to see James zoom in, grab the rebound and bank it in, all in one motion. He followed with a three-point play and a pair of free throws.

The Cavs ended...

Log-In to view full story or view our Registration Guide.