The Boston Celtics announced that center Daniel Theis underwent successful surgery on his left knee. It was an arthroscopic surgery for Theis that included removing a loose body in his knee.
#NEBHInjuryReport Daniel Theis yesterday underwent a successful arthroscopic procedure on his left knee, including removal of a loose body. The surgery was performed by Celtics Team Physician Dr. Tony Schena at New England Baptist Hospital.
— Boston Celtics (@celtics) October 21, 2020
The Celtics also said Theis is expected to be fully available for training camp prior to the 2021 season.