James embraced former team-mate Chris Bosh before Wednesday night’s tip-off but then went about his usual business ??? Kyrie Irving added 15 points and Kevin Love scored 12.
The Cavs avenged their Christmas Day defeat in Miami, which was James??? first outing against his ex employers.
Kevin Durant led Oklahoma City Thunder to a 105-89 win over Memphis Grizzlies.
Durant scored 26 points with 10 rebounds.
Golden State Warriors defeated Minnesota Timberwolves 94-91 for their third straight win.
Stephen Curry and Klay Thompson registered 25 and 14 points for Warriors, respectively.
Evan Turner scored a floater with two-tenths of a second remaining to give Boston Celtics an 98-88 win over Atlanta Hawks.
Turner???s last-gasp effort completed a remarkable comeback ??? Celtics trailed by 18 in the first half and 14 in the last quarter.
DeMar DeRoza???s 16-foot jump shot won Toronto Raptors the game against Washington Wizards.
Toronto were 95-93 winners after DeRoza???s winner with 12.9 seconds left on the clock. DeRoza scored 23 points in total and Wizards??? John Wall got 21.
San Antonio Spurs beat Detroit Pistons 104-87 thanks to Danny Green???s five three-pointers.
David West and George Hill scored 17 points each as the Indiana Pacers beat New Orleans Pelicans 106-93.
New York Knicks lost a fifth straight game, going down 89-83 to Orlando Magic.
Milwaukee Bucks beat Sacramento Kings 111-103 and Dallas Mavericks were led to an 87-82 win over Utah Jazz by JJ Barea.