Hezonja signed a five-year contract extension with Real Madrid on Tuesday.
Hezonja signed a one-year contract Monday with Greek club Panathinaikos, EuroLeague.net reports. The deal includes an option for the 2021-22 season.
Hezonja was waived by the Grizzlies on Friday, Shams Charania of The Athletic reports.
Hezonja is unlikely to make the Grizzlies' final roster, Chris Herrington of The Daily Memphian reports.
Hezonja was traded from the Trail Blazers to the Grizzlies on Friday in a three-team deal, Adrian Wojnarowski of ESPN reports. The Trail Blazers acquired Enes Kanter and the Celtics acquired a future draft consideration from the Grizzlies.
Hezonja generated 12 points (5-10 FG, 2-5 3Pt), seven rebounds, two assists and two steals in 25 minutes during Sunday's 124-121 win over the 76ers.
Hezonja scored a team-high 15 points (5-9 FG, 2-4 3PT, 3-3 FT) in Thursday's scrimmage against the Pacers.
Hezonja posted 10 points (4-6 FG, 0-1 3Pt, 2-2 FT), eight rebounds, four assists and one steal across 28 minutes during Monday's 130-107 win over the Magic.
Hezonja played through an ankle injury Sunday night against Detroit, finishing scoreless (0-0 FG) in 12 minutes of action.
Hezonja (ankle) will attempt to play Sunday against Detroit, Jamie Goldberg of The Oregonian reports.