Brandon Aiyuk of the San Francisco 49ers missed practice for the second straight day amid a contract dispute, despite being cleared by doctors. Aiyuk is at risk of fines for missing mandatory sessions.
All-Pro left tackle Trent Williams is also absent as he seeks a new contract, leaving key players out before the season opener against the New York Jets.
Meanwhile, safety Talanoa Hufanga is back in practice after recovering from a torn ACL, providing a boost to the team.
