Nick Bosa tears ACL against Cardinals, 49ers rule him out for season

The San Francisco 49ers’ worst fearfulness became world Monday. An MRI confirmed that borderline rusher Nick Bosa tore the ACL successful his close genu and volition miss the remainder of the season, manager Kyle Shanahan said. Bosa, 27, had already braced for the quality aft Sunday’s triumph implicit Arizona. “He was beauteous assured that helium did it,” Shanahan said. “You could tell… past an MRI confirmed it this morning.”

Shanahan noted the teardrop was isolated to the ACL. “I was told it’s arsenic cleanable arsenic it gets,” helium said. That typically eases recovery, though Bosa has traveled this roadworthy before: a partial teardrop successful the aforesaid genu successful precocious schoolhouse and a near ACL teardrop successful Week 2 of 2020. Surgery volition travel erstwhile swelling subsides.

How it happened — and what comes next

Bosa went down precocious successful the archetypal 4th portion rushing Kyler Murray, tangled by a double-team arsenic his close limb bent awkwardly. He walked to the sideline, visited the aesculapian tent, past headed to the locker room. Cameras caught him offering a thumbs-down to household members. Initial sideline checks did not conclusively amusement a tear; interest ne'er faded.

The on-field interaction is immediate. Through 2 games, Bosa had 2 sacks, 8 pressures, 15 tackles and a 21.9% pass-rush triumph rate. Since 2019, San Francisco is 65–32 with him and 6–12 without him. Shanahan said the 49ers volition thin connected a rotation that includes rookie Mykel Williams, Bryce Huff, Yetur Gross-Matos and Sam Okuayinonu, with Robert Beal Jr. and Trevis Gipson connected the signifier squad. “You don’t conscionable regenerate a feline similar Nick,” Shanahan said. “Lots of guys… volition person to measurement it up… much by committee.”

San Francisco volition “look astatine trades” lone if the terms and acceptable marque sense, Shanahan added. A nine security argumentation is expected to supply astir $7 cardinal successful 2026 headdress relief, per reporting. Elsewhere, QB Brock Purdy (toe) ramps up signifier this week, backup Mac Jones (knee) is day-to-day, and wideout Demarcus Robinson is eligible to instrumentality aft being removed from the reserve/suspended list.