Hayward missed almost the entire 2017-18 season after breaking his leg in the first quarter of the season opener. The Celtics reached Game 7 of the Eastern Conference finals before losing to the Cleveland Cavaliers.

The team says his leg and ankle are sound, but the plate and screws that were implanted to help the injury heal were irritating his tendons. He is scheduled to resume basketball activities in six to eight weeks and be ready for training camp.

Also on Wednesday, the Celtics said center Aron Baynes had successful surgery to repair a nasal fracture he sustained during Game 6 of the conference finals. He is expected to be back on the court in two to four weeks.