“Head coach Kyle Shanahan confirmed Monday that defensive lineman Nick Bosa suffered a torn ACL in his right knee during Sunday's win over the Arizona Cardinals. Bosa will undergo season-ending surgery,” 49ers.com’s Briana Jeannel wrote.

The San Francisco 49ers are officially feeling the impact of losing Nick Bosa on defense. The team had a strong effort when they initially lost him, but they did not have the depth and talent to survive the wear and tear that the league brought on them.

With Nick Bosa sidelined, the 49ers are predicted to trade for a four-time Pro Bowler to strengthen the pass rush. The 49ers struggle with pass rush due to major injuries, including Nick Bosa's torn ACL.

The San Francisco 49ers made a key addition to their receiving corps in the same roster move that sent Nick Bosa to IR.

Nick and Joey Bosa have established themselves as dominant forces in the NFL, with both brothers achieving significant contract extensions and Defensive Rookie of the Year awards. Their striking similarities on and off the field,

Mykel Williams is feared to have suffered a potential season-ending injury in San Francisco's win over the Giants.

In spite of Bosa's absence for the rest of the year, as well as starting quarterback Brock Purdy and star tight end George Kittle still potentially sidelined for multiple weeks with injuries of their own, the 49ers are 3-0 and sit alone atop the NFC West. Every other team in the division is currently 2-1.

San Francisco worked out six free agents on Tuesday. The San Francisco 49ers have claimed two victories since Nick Bosa exited the Sept. 21 contest against the Arizona Cardinals. S.F. is now exploring adding edge rusher depth post Bosa, following a key ...