
San Francisco defensive back Ashtyn Davis, a Santa Cruz native, walks off the field after the 49ers’ preseason opener against the Tennessee Titans on Thursday in Santa Clara. (Kelley L. Cox – The Associated Press)

First-year San Francisco 49ers safety Ashtyn Davis, a Santa Cruz native, breaks up a pass intended for Tennessee Titans receiver Carnell Tate in the first half of the teams’ NFL preseason game at Levi’s Stadium on Thursday in Santa Clara. (Thearon W. Henderson – Getty Images)
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San Francisco defensive back Ashtyn Davis, a Santa Cruz native, walks off the field after the 49ers’ preseason opener against the Tennessee Titans on Thursday in Santa Clara. (Kelley L. Cox – The Associated Press)