Denver tight end James Casey (80) is hit by 49ers cornerback Kenneth Acker (20) and Corey Lemonier (96) during the first half of an NFL preseason football game, Saturday, Aug. 29, 2015, in Denver.
Denver tight end James Casey (80) is hit by 49ers cornerback Kenneth Acker (20) and Corey Lemonier (96) during the first half of an NFL preseason football game, Saturday, Aug. 29, 2015, in Denver. Jack Dempsey The Associated Press
Denver tight end James Casey (80) is hit by 49ers cornerback Kenneth Acker (20) and Corey Lemonier (96) during the first half of an NFL preseason football game, Saturday, Aug. 29, 2015, in Denver. Jack Dempsey The Associated Press
49ers with Matt Barrows

49ers with Matt Barrows

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49ers notes: Starting cornerbacks still a mystery

September 01, 2015 02:47 PM