49ers receiver Brandon Aiyuk continues to rehab from tearing his ACL and MCL in October of last season. With Aiyuk still on the physically unable to perform list, General Manager John Lynch noted in a Thursday interview with KNBR that there is not a true timetable for Aiyuk’s return to play.

GM John Lynch doubts Brandon Aiyuk will be available for Week 1, while Jauan Jennings still does not have a return timeline. More at PFR.

Lynch said competition is the primary way to get better, so the 49ers have been trying to balance how to get better while making sure they stay healthy. Lynch had injury updates during an appearance on KNBR for some key players,