Getty Jayson Tatum #0 of the Boston Celtics reacts after their 132-106 win over the Atlanta Hawks at State Farm Arena on January 17, 2026 in Atlanta, Georgia. Six-time All-Star Jayson Tatum reportedly “looked great” Monday in his first full five-on-five scrimmage with Boston Celtics teammates, two-way players and G League players, marking a major step in his return from an Achilles injury. According to  ESPN’s Shams Charania , Tatum “participated fully” in his first scrimmage in nearly a year