49ers 2020 'Who Is?' series: Arik Armstead must live up to contract
Arik Armstead is paving his own lane in the social media landscape - Sactown Sports
49ers shake up defensive line, keeping Arik Armstead and trading DeForest Buckner
49ers' Javon Kinlaw credits Arik Armstead for growth in fourth NFL season – NBC Sports Bay Area & California
49ers' Arik Armstead 'one of most underrated players' in NFL
San Francisco 49ers' Arik Armstead tops all defensive tackles in Pro Bowl fan votes
Big changes are coming to 49ers defensive line — just maybe not the ones you would think – Daily Democrat
49ers' Armstead pushing the pocket and elevating NFL's top defense
49ers pick up Arik Armstead's 5th-year option for 2019
Healthy 49ers have actually gotten better through injury adversity