The second-year pro from Italy was injured in the fourth quarter of a victory over Indiana, landing on an opponent's leg after taking a shot. He recently joined the starting lineup, showing improved shooting and defense while averaging 13.8 points the past 19 games.
Jackson has missed three straight games with a hamstring injury. Wright is expected to be out until late January after partially dislocating his left shoulder. Ellis hasn't played this season after injuring his leg during the summer.