Nick Bosa Injury History
October 14, 2026
questionable
• Calf
Strain
questionable
October 13, 2026
out
• Calf
Strain
Head coach Kyle Shanahan said Monday that Bosa (calf) "has a chance" to play against the Commanders next Monday night, David Lombardi of SFStandard.com reports.
October 12, 2026
out
• Calf
Strain
out
October 12, 2026
out
• Calf
Strain
inactive
October 11, 2026
out
• Calf
Strain
Bosa (calf) has been ruled out ahead of Sunday's game against the Seahawks.
October 10, 2026
out
• Calf
Strain
out
October 9, 2026
doubtful
• Calf
Strain
doubtful
October 6, 2026
out
• Calf
Strain
Bosa (calf) is unlikely to be ready for the 49ers' Week 5 matchup against the Seahawks, Cam Inman of The San Jose Mercury News reports.
October 5, 2026
out
• Calf
Strain
out
October 5, 2026
out
• Calf
Strain
inactive
October 4, 2026
out
• Calf
Strain
Coach Kyle Shanahan said Monday that Bosa (calf) won't play this coming Sunday against the Broncos, Cam Inman of The San Jose Mercury News reports.
September 28, 2026
out
• Calf
Strain
out
September 28, 2026
out
• Calf
Strain
inactive
September 27, 2026
out
• Calf
Strain
Bosa (calf) has been ruled out ahead of Sunday's game against the Cardinals.
September 25, 2026
out
• Calf
Strain
Bosa injured his calf during Thursday's practice and is expected to miss "a few weeks," according to Adam Schefter of ESPN.
September 25, 2026
doubtful
• Calf
Not Specified
doubtful
September 25, 2026
questionable
• Calf
Not Specified
Bosa (calf/knee) did not participate in Thursday's practice, Jennifer Lee Chan of NBC Sports Bay Area reports.
September 25, 2026
questionable
• Calf
Not Specified
questionable
September 21, 2026
active
Bosa made four tackles (three solo) in the 49ers' 27-7 Week 1 victory over the Rams.
September 11, 2026
active
Bosa (knee) does not have an injury designation for Thursday's game against the Rams, Matt Maiocco of NBC Sports Bay Area reports.
September 10, 2026
active
September 10, 2026
questionable
• Knee - ACL
Surgery
Bosa (knee) was limited in Tuesday's practice, Matt Maiocco of NBC Sports Bay Area reports.
September 9, 2026
questionable
• Knee - ACL
Surgery
San Francisco defensive coordinator Raheem Morris said Monday that Bosa (knee) will play in Thursday's Week 1 matchup against the Rams, Harrison Rich of the San Francisco Chronicle reports.
September 8, 2026
questionable
• Knee - ACL
Surgery
Bosa (knee) didn't participate in drills during the early portion of Monday's practice in Melbourne, Australia that was open to the media, Matt Maiocco of NBC Sports Bay Area reports.
September 7, 2026
questionable
• Knee - ACL
Surgery
Bosa (knee) is making the trip to Australia and still could have a chance to play in the 49ers' Week 1 matchup against the Rams in Melbourne, Ian Rapoport of ESPN and NFL Network reports.
September 2, 2026
questionable
• Knee - ACL
Surgery
Bosa (knee) worked off to the side in Monday's practice and is expected to do the same Tuesday, with a return to fuller participation planned for Wednesday, Matt Maiocco of NBC Sports Bay Area reports.
August 21, 2026
questionable
• Knee - ACL
Surgery
Bosa's (knee) tendinitis symptoms have been subsiding recently, David Lombardi of SFStandard.com reports.
August 18, 2026
questionable
• Knee - ACL
Surgery
Coach Kyle Shanahan said Tuesday that Bosa has missed recent practices due to soreness/tendinitis in his right knee, and the pass rusher is considered week-to-week, Noah Furtado of the San Francisco Chronicle reports.
