# Kyle Shanahan on Nick Bosa's Injury

> Shanahan says Bosa will return after calf injury.
- Title: Kyle Shanahan on Nick Bosa's Injury · NBC Sports | Shortify
- Summary: Shanahan says Bosa will return after calf injury. 49ers head coach Kyle Shanahan confirmed Nick Bosa will miss multiple weeks due to a calf injury but…
- Keywords: kyle shanahan, nick bosa, 49ers, calf injury, nfl, defensive end, injured reserve, sports, Kyle, Shanahan, Nick, Bosa's
- Source: NBC Sports — https://nbcsports.com/nfl/profootballtalk/rumor-mill/news/kyle-shanahan-on-nick-bosas-injury-i-know-hes-bummed-but-hell-be-back
- Published: 2026-09-25T23:01:18.044+00:00
- Read time: 1 min
- Topics: kyle shanahan, nick bosa, 49ers, calf injury, nfl, defensive end, injured reserve, sports
## Kyle Shanahan confirms Nick Bosa's injury
Kyle Shanahan confirmed defensive end Nick Bosa will miss multiple weeks after injuring his calf before Thursday's practice.
## Shanahan's timeline estimate
Shanahan said Bosa's recovery timeline is 'around a few weeks' but was unsure if Bosa injured his right calf.
## 49ers defensive injuries
The 49ers ruled out Bosa and rookie defensive end Romello Height for Sunday's game against the Cardinals due to injuries.
## Shanahan on team impact
Shanahan said losing six out of 10 defensive linemen in two weeks is unusual and he hasn't experienced this before.
## Bosa's recent return
Bosa returned from a torn ACL in his right knee and played 70 snaps over the first two games.
## 49ers IR decisions
The 49ers must decide which injured players return from IR as only eight players can be released during the season.
## Shanahan's final comment
Shanahan said Bosa is 'bummed out' but will return, and the team will decide by tomorrow which players to move from IR.
## Key takeaway

49ers head coach Kyle Shanahan confirmed Nick Bosa will miss multiple weeks due to a calf injury but expects him to return soon.