May 21 (UPI) -- San Francisco 49ers rookie defensive lineman Nick Bosa suffered a hamstring injury during practice Tuesday, head coach Kyle Shanahan confirmed to reporters.
According to the San Francisco Chronicle and The Athletic, Shanahan said that Bosa was practicing with the second-team defense in one-on-one drills when the injury occurred. Bosa was done for the remainder of practice, but he remained on the field with a slight limp.