Briana JeannelHead coach Kyle Shanahan confirmed Monday that defensive linemanNick Bosasuffered a torn ACL in his right knee during Sunday's win over the Arizona Cardinals. Bosa exited in the first quarter after his knee bent awkwardly on a pass rush and did not return. Through the first two games of 2025, he recorded 2.0 sacks, eight quarterback pressures and 15 tackles. "You don't just replace a guy like Nick," head coach Shanahan said. Shanahan emphasized that everyone on the roster will need to step up in Bosa's absence, noting it will take a collective effort to fill the void left by the All-Pro.