49ers rule RG Dominick Puni out
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Right guard Dominick Puni and running back Corey Kiner sustained significant injuries in the first half of the 49ers’ preseason visit to the Raiders on Saturday.
Puni, a third-round pick of the 49ers last year, played a key role for the team as a rookie. The 25-year-old played a team-high 1,078 offensive snaps, allowing just three sacks, along with 35 pressures and 32 hurries, according to Pro Football Focus.