George said he has peroneal nerve palsy in his left foot, which he suffered during the team’s third preseason game against Atlanta.
Gordon Hayward is still finding his feet after such a long absence with a fractured ankle.
A franchise-record 24 three-pointers helped the Boston Celtics beat the Milwaukee Bucks in the NBA.
Some Golden State players told The Athletic the Celtics, led by Kyrie Irving and Gordon Hayward, might be their biggest threat.
Team-mates at the New Orleans Pelicans last season, Anthony Davis wants to play alongside DeMarcus Cousins again.
DeMarcus Cousins has a one-year deal with the Golden State Warriors and coach Steve Kerr does not foresee him staying longer.
Anthony averaged 24.7 points and seven rebounds while shooting 36.9 percent from 3-point range in 412 regular-season games with the Knicks.
The NBA All-Star Game, last played in Cleveland in 1997, is coming to the Cavaliers in 2022.
The Cleveland Cavaliers' uncertainty looks set to continue, with JR Smith keen to follow LeBron James and Tyronn Lue out of the door.