Arik Armstead, 49ers agree to 5-year mega contract
49ers news: The postseason has brought out the best in Nick Bosa and Arik Armstead - Niners Nation
49ers DE Arik Armstead Raises Awareness for Education and Equality – NBC 5 Dallas-Fort Worth
49ers, Arik Armstead agree to five-year contract - ESPN
Arik Armstead's contract breakdown and salary details explored: How much is the 49ers' defensive end earning?
How Arik Armstead led 49ers pass rush to Rams in title game
Impacts of 49ers' Arik Armstead and George Kittle were easy to miss
Arik Armstead: What the 49ers DE is Building in the Bay Area
49ers' Arik Armstead has hairline fracture; Mike McGlinchey jokes about '18 draft
49ers have Arik Armstead, Javon Hargrave in PFF top 32 interior DL
Arik Armstead explains the 322,000 dollar dinner the 49ers rookies paid for: Was it real?