The 49ers placed Hurd (knee) on injured reserve Saturday.
A 2019 third-round pick, Hurd has yet to make his pro debut due to back and an array of knee injuries. The current concern is tendinitis in his knee, which will sideline him for at least the first three games of the campaign. Even when (or if) he's able to return, Hurd may have a tough time climbing a depth chart populated by Deebo Samuel, Brandon Aiyuk, Mohamed Sanu, Trent Sherfield and Jauan Jennings.