Rookie defensive tackle Alfred Collins is finally on board with the San Francisco 49ers following a lengthy contract stalemate.

2019 saw the strength of the 49ers defensive line on the edge. Whenever the 49ers needed an effective pass rush, it was DeForest Buckner and Arik Armstead anchoring the middle to allow Nick Bosa ...

The 49ers defense did force Walker into throwing two interceptions, and it sacked him twice. But the pass rush disappeared Monday night as the Vikings went to a pass-heavy attack behind their ...

For the first time in years, the defensive backfield is the strength of the San Francisco 49ers defense. ... Grading the 49ers Defensive Backs at the Bye Week. Story by Grant Cohn • 1w.

The 49ers' defensive line embracing a strength-in-numbers approach sparked San Francisco's dominant performance in Sunday's 30-13 win over the New England Patriots.

Defense has been the main strength of the San Francisco 49ers since 2019. Every year they rank as one of, if not the top defenses in the league.

On paper, there isn’t another team in the NFL with this kind of defensive strength on all three levels, and the 49ers’ defenders know it even if they’re not saying it out loud.

The San Francisco 49ers are heading into training camp similarly to the way they concluded the 2022 regular season - boasting the league's top-ranked defense. The No. 1 post-draft ranking comes ...

The 49ers’ mike linebacker has been the loudest of camp. Warner is leading the charge of a defense that’s feeling itself. But the talking isn’t just poking and prodding the offense.

The 49ers have arguably the best defense in the NFL. Edge rusher Nick Bosa, a favorite for defensive player of the year honors, leads a game-wrecking front that also features tackle Arik Armstead ...

SANTA CLARA — The 49ers counted on the NFL Draft to deliver defensive reinforcements, and they came day after day after day.. In a sentimental storyline for the 49ers Faithful, the only other ...