San Francisco 49ers offensive tackle Joe Staley (74) and guard Brandon Thomas are shown during practice at an NFL football facility in Santa Clara, Calif., Friday, May 29, 2015.
San Francisco 49ers offensive tackle Joe Staley (74) and guard Brandon Thomas are shown during practice at an NFL football facility in Santa Clara, Calif., Friday, May 29, 2015. Jeff Chiu AP
San Francisco 49ers offensive tackle Joe Staley (74) and guard Brandon Thomas are shown during practice at an NFL football facility in Santa Clara, Calif., Friday, May 29, 2015. Jeff Chiu AP