49ers star receiver Brandon Aiyuk misses practice despite being cleared by team doctors WSOC TV [Video]

SANTA CLARA, Calif. — (AP) — San Francisco star receiver Brandon Aiyuk wasn’t at the start of practice on Wednesday despite the team saying he was cleared by doctors to participate, raising the temperature of a contract “hold in” that has been a cloud over the 49ers since the offseason.

Aiyuk had refused to practice all training camp as he seeks a long-term extension or a possible trade, with coach Kyle Shanahan citing a back injury as the official reason for what is essentially a contract dispute.

Both Shanahan and general manager John Lynch said before practice that Aiyuk had been cleared by team doctors and the expectation was that he would practice. But Aiyuk was not on the field during the portion open to reporters.

Aiyuk had avoided fines in training camp by reporting to the team and attending meetings but could be subject to punishment now that he …