The 6-foot-9 forward, a four-year veteran at age 22, averaged a career-high 17.1 points last season, his second with Orlando after being traded by Milwaukee.
Harris averaged a career-high 17.1 points last season while also shooting a career-best 36% from three-point range.
The move keeps intact a young Magic team that features eight players under age 25.
Kevin Durant, coming off a season in which injuries limited him to 27 games for Oklahoma City, pledged he would be ready for next season and said he hasn't thought about the summer of 2016, when he likely will be the biggest domino in a free-agent class that figures to cash in with huge deals as the league's salary cap skyrockets. "I hear it all the time but I'm really just focusing on rehab," the 2014 NBA most valuable player said in Orlando, Fla., where he and new Thunder Coach Billy Donovan watched the team's summer league squad play. . . .
New Orleans and forward Dante Cunningham agreed on a three-year contract extension worth about $9 million.