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49ers' Nick Bosa to miss time with calf injury

The San Francisco 49ers defensive end will be sidelined for a few weeks after pulling his calf during practice, forcing the team to adjust its roster.

4 publishers · 11 articles · first seen 25 Sept 2026 · updated 41d ago

Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made

First reported by SI Feed, 22 min ahead of the next publisher · who breaks stories first

This story has stopped developing; this page is its permanent record. More from that day

The odds

How the odds moved · Nick Bosa
0%50%100%1%24 Sept, 15:10 UTCnowwww.espn.com: Sources: 49ers' Bosa to miss time with calf injury · 25 Sept, 15:55 UTCSI Feed: 4 49ers Who Must Step Up Without Nick Bosa · 26 Sept, 21:00 UTCSI Feed: 49ers Losing Nick Bosa Makes These 2 Games Much Harder to Win · 26 Sept, 13:00 UTCSI Feed: 49ers Rule Out Nick Bosa and 3 Other Players Against Arizona · 25 Sept, 22:40 UTCSI Feed: 3 Paths 49ers Can Take Without Nick Bosa · 25 Sept, 22:00 UTCSI Feed: 5 Free Agents 49ers Must Call After Nick Bosa Injury · 25 Sept, 20:00 UTCSI Feed: What Nick Bosa's Calf Injury Means for the 49ers · 25 Sept, 18:00 UTCSI Feed: Nick Bosa Injury Provides Cardinals Massive Boost vs 49ers · 25 Sept, 16:33 UTCCBS Sports Headlines: 49ers' Nick Bosa suffers injury during practice, will reportedly miss multiple weeks · 25 Sept, 15:41 UTCfeeds.bleacherreport.com: Nick Bosa Injured, Latest Rumors on 49ers Star's Timeline to Return from Calf Issue · 25 Sept, 15:11 UTCSI Feed: Nick Bosa May Have Played Final Snap With 49ers · 25 Sept, 14:48 UTC

Each tick is a source publishing on this story

Price data
TimeChance of yes
now1%
27 Sept, 16:16 UTC1%
24 Sept, 15:10 UTC2%

The story so far

4 publishers have covered this in 11 articles since 25 Sept 2026. SI Feed published first, on 25 September at 14:48 UTC; feeds.bleacherreport.com followed 23 min later. The most recent article, from SI Feed, appeared on 26 September at 21:00 UTC.

Outlets reporting it: www.espn.com (major outlet), SI Feed, feeds.bleacherreport.com, CBS Sports Headlines.

2 prediction markets price this story:

  • Nick Bosa — the market puts it at 1%, closing 21 Feb 2028. The outcome is Yes if Nick Bosa wins the Pro Football AP Comeback Player of the Year award for the 2026-27 season; otherwise, it is No. Readers often mistake the linked news story about his calf injury as the deciding factor, but only the official award result matters.
  • Nick Bosa — the market puts it at 1%, closing 8 Feb 2028. The outcome is Yes if Nick Bosa wins the AP Defensive Player of the Year award for the 2026-27 NFL season. The outcome is No if he does not win that specific award. Readers often mistake the linked injury news as relevant, but only the official award result matters.

Odds are the market's probability that the outcome happens, updated every few minutes. They are information about what traders expect, not a forecast we make and not investment advice.

How it unfolded

Every source in the order it published, with the odds on Nick Bosa at that moment. A dash means the source published before we started tracking prices.

  1. SI FeedNick Bosa May Have Played Final Snap With 49ers2%
  2. feeds.bleacherreport.comNick Bosa Injured, Latest Rumors on 49ers Star's Timeline to Return from Calf Issue2%
  3. CBS Sports Headlines49ers' Nick Bosa suffers injury during practice, will reportedly miss multiple weeks2%
  4. www.espn.comSources: 49ers' Bosa to miss time with calf injury2%
  5. SI FeedNick Bosa Injury Provides Cardinals Massive Boost vs 49ers2%
  6. SI FeedWhat Nick Bosa's Calf Injury Means for the 49ers2%
  7. SI Feed5 Free Agents 49ers Must Call After Nick Bosa Injury2%
  8. SI Feed3 Paths 49ers Can Take Without Nick Bosa2%
  9. SI Feed49ers Rule Out Nick Bosa and 3 Other Players Against Arizona2%
  10. SI Feed49ers Losing Nick Bosa Makes These 2 Games Much Harder to Win2%
  11. SI Feed4 49ers Who Must Step Up Without Nick Bosa2%
  12. Current odds1%

Sources

Every article we clustered into this story. Headlines link to the publisher.

  1. Sources: 49ers' Bosa to miss time with calf injury www.espn.com ·
  2. 4 49ers Who Must Step Up Without Nick Bosa SI Feed
  3. 49ers Losing Nick Bosa Makes These 2 Games Much Harder to Win SI Feed
  4. 49ers Rule Out Nick Bosa and 3 Other Players Against Arizona SI Feed
  5. 3 Paths 49ers Can Take Without Nick Bosa SI Feed
  6. 5 Free Agents 49ers Must Call After Nick Bosa Injury SI Feed
Show 5 more sources
  1. What Nick Bosa's Calf Injury Means for the 49ers SI Feed
  2. Nick Bosa Injury Provides Cardinals Massive Boost vs 49ers SI Feed
  3. 49ers' Nick Bosa suffers injury during practice, will reportedly miss multiple weeks CBS Sports Headlines
  4. Nick Bosa Injured, Latest Rumors on 49ers Star's Timeline to Return from Calf Issue feeds.bleacherreport.com
  5. Nick Bosa May Have Played Final Snap With 49ers SI Feed

Related prediction markets

Linked by software because they are about the same subject. Most ask a different question from the one this story reports, so read each market's own question. How often the link is right

  • Kalshi Nick Bosa 1% $0 24hends 21 Feb 2028

    Does the market have this right?

    Wrong market?

  • Kalshi Nick Bosa 1% $0 24hends 8 Feb 2028

    Does the market have this right?

    Wrong market?

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In this story

  • Nick Bosa
  • 49ers
  • Arizona Cardinals
  • Raheem Morris
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