San Francisco 49ers head coach Kyle Shanahan watches drills at NFL football rookie camp Friday, May 4, 2018, in Santa Clara, Calif.
San Francisco 49ers head coach Kyle Shanahan watches drills at NFL football rookie camp Friday, May 4, 2018, in Santa Clara, Calif. AP Photo/Marcio Jose Sanchez
San Francisco 49ers head coach Kyle Shanahan watches drills at NFL football rookie camp Friday, May 4, 2018, in Santa Clara, Calif. AP Photo/Marcio Jose Sanchez