Cowboys vs. 49ers preview, predictions: What should you expect in huge rivalry game
Ranking NFL's top 10 defensive position groups for 2023: Eagles edge rushers beat out immensely talented 49ers
San Francisco 49ers: Where PFF ranks the Niners offensive and defensive lines among all NFL teams. - Niners Nation
Grading the 49ers' defense, special teams and coaching in 2018
Let's argue: Arik Armstead is the best player on the 49ers defensive line - Niners Nation
PFF rankings put San Francisco 49ers defensive line among NFL elite
49ers 2022 Roster Breakdown: Defensive Line
49ers news: ESPN ranks each position on the 49ers' defense; says the LB group is the best in the NFL - Niners Nation
49ers news: Arik Armstead's contract is team-friendly and he only has a $6 million cap hit in 2020 - Niners Nation
Ranking the 49ers' position groups: Kyle Shanahan's best roster has only a few cracks - The Athletic