A new update has been provided by the San Francisco 49ers regarding Brandon Aiyuk. The 49ers have zero clue when Aiyuk will return. On Tuesday, John Lynch and Kyle Shanahan held a press conference for the opening of training camp. During the presser, Lynch was asked about Aiyuk, where he stated that they’re “encouraged” with his recovery, but he isn’t “anywhere close to having a concrete timeline” for his return.