Celtics coach Brad Stevens said Wednesday that Gordon Hayward is expected to make a full recovery from the gruesome injury he sustained in the team’s opener. They just don’t know how long it will take.

Stevens said Hayward has a dislocated ankle and broken tibia. ESPN reported that he was scheduled to undergo surgery Wednesday night. Stevens said he isn’t sure if Hayward will be able to return this season.

Hayward signed a four-year, $128 million contract with the Celtics. But he was injured in the first game when he landed awkwardly under the basket in Cleveland.

Bobby Portis was suspended eight games for punching Nikola Mirotic in the face at practice, the Bulls announced Wednesday. The suspension begins with Thursday’s season opener at Toronto. Mirotic suffered a concussion and what the team called “maxillary fractures” and will be out four to six weeks.

The Bulls added “surgery is likely required.”

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