A San Francisco 49ers player runs on the field at Levi's Stadium during the team's NFL football training camp in Santa Clara, Calif., Saturday, Aug. 1, 2015. It took less than a half-hour into the 49ers’ first practice for the Levi’s Stadium sod to come up in pieces.
A San Francisco 49ers player runs on the field at Levi's Stadium during the team's NFL football training camp in Santa Clara, Calif., Saturday, Aug. 1, 2015. It took less than a half-hour into the 49ers’ first practice for the Levi’s Stadium sod to come up in pieces. Jeff Chiu AP
A San Francisco 49ers player runs on the field at Levi's Stadium during the team's NFL football training camp in Santa Clara, Calif., Saturday, Aug. 1, 2015. It took less than a half-hour into the 49ers’ first practice for the Levi’s Stadium sod to come up in pieces. Jeff Chiu AP