49ers' Nick Bosa suffers calf injury and will miss several weeks

Yahoo Sports • 1 min read • Latest: Sep 25, 2026, 11:16 PM

Last updated Sep 25, 2026

49ers' Nick Bosa suffers calf injury and will miss several weeks
Summary

San Francisco 49ers defensive end Nick Bosa will be sidelined due to a calf injury sustained during practice. Coach Kyle Shanahan confirmed Bosa is expected to miss 'around a few weeks' after the incident occurred while he was doing high-knees. The 49ers, already grappling with numerous injuries among their defensive linemen, face a significant challenge as they prepare for their upcoming game against the Arizona Cardinals. The team has lost several key players and must find effective replacements as they aim to maintain their promising start to the season.

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Status Watch
  • •Bosa suffered a calf injury during practice on September 24.
  • •The 49ers already have seven players on injured reserve.
  • •Bosa is a crucial part of the 49ers' defensive line.
  • •San Francisco has faced a series of injuries early this season.
  • •49ers may need to elevate players from their practice squad for depth.
Latest Updates
  • 11:16 PMYahoo Sports — 49ers have been able to withstand injuries so far — but not Nick Bosa’s
What they're saying
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What was that Mike Tomlin said a week or so ago? The Browns are gonna Browns? Well, along the same lines, the Niners are gonna Niners.

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