Staley likely to replace Harris

San Francisco 49ers general manager John Lynch joined KNBR on Friday morning and provided several injury updates. Among them was news that cornerback Ahkello Witherspoon has cleared the concussion protocol and will start in place of Richard Sherman this weekend against the New York Jets. Sherman was placed on short-term injured reserve this week and will miss at least the next three games. Lynch did note that his calf strain is unrelated to his previous Achilles injury. The general manager saw Sherman after the game and noted, "It wasn't pretty the way he was walking." That, along with discussions with Sherman, led the 49ers to sideline the All-Pro cornerback for a few games. Witherspoon will fill in for the veteran cornerback and play

The San Francisco 49ers have announced the following roster moves. CB Dontae Johnson has been promoted to the active roster from the team's practice squad CB Ken Webster has been signed to a one-year deal from the Miami Dolphins practice squad CB Richard Sherman has been placed on short-term injured reserve, which means he will miss at least three games CB Brian Allen and CB Christian Angulo have been signed to the team's practice squad CB Tim Harris Jr., who has been on the practice squad, has been placed on injured reserve RELATED: 49ers placing Richard Sherman on short-term injured reserve due to

The San Francisco 49ers will be without several playmakers on Sunday when they face the New York Jets at MetLife Stadium. That includes tight end George Kittle on offense and cornerback Richard Sherman and pass rusher Dee Ford on defense. The good news is that some reinforcements — at least on offense — appear to be on their way. Adam Schefter of ESPN is reporting that wide receivers Brandon Aiyuk and Mohamed Sanu are expected to make their 49ers debuts. Aiyuk, a rookie, will be making his NFL debut. Help for 49ers: WR Mohamed Sanu, who played under Kyle Shanahan in Atlanta, is expected to