Jennings has a sprained wrist

The 49ers will be without injured tight end George Kittle against the New York Jets this afternoon but are hopeful he'll be ready to play in time for next week's game against the New York Giants, according to reports from Adam Schefter of ESPN and Ian Rapoport of the NFL Network. Both reporters weighed in on Kittle's status earlier this morning while also shedding some light on the nature of his injury, which occurred during the 49ers' Week 1 loss to the Arizona Cardinals. Schefter wrote earlier this morning that Kittle has been diagnosed with a sprained MCL in his left knee "that would sideline most players for a few weeks" but is showing

San Francisco 49ers rookie defensive tackle Javon Kinlaw didn't walk away from his NFL debut with gaudy statistics. He was credited with just one tackle during Sunday's loss to the Arizona Cardinals. Still, Pro Football Focus graded the young defender as the fourth-best 49ers player from Week 1 and felt he had the third-best debut by an NFL rookie. NFL Media analyst Brian Baldinger was impressed by Kinlaw's performance against the Cardinals and shared a little film breaking down why he feels that way. He called the young defender an "incredible prospect with

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