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49ers' Arik Armstead talks Kyle Shanahan, stopping Packers
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San Francisco 49ers defense eyes Arik Armstead to play top pass rush position
49ers DE Nick Bosa wins NFL Defensive Player of the Year
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How Arik Armstead led 49ers pass rush to Rams in title game
The reason the 49ers will use a Wide 9 defense in 2019
49ers' Arik Armstead explains why he passed up easy safety