# 49ers’ Nick Bosa out multiple weeks with calf injury, adding to ‘horror show’ of D-line attrition

> **Open Intelligence Dossier** · First detected: 2026-09-25 20:20 UTC · Category: Sports

## Executive Summary
2 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"49ers’ Nick Bosa out multiple weeks with calf injury, adding to ‘horror show’ of D-line attrition" is generating significant coverage in the Sports category, with 2 articles from 2 distinct sources tracked by PULSE so far.


Outlets currently covering the story include Yahoo Sports and sfchronicle.com. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| sports.yahoo.com | 3 Paths 49ers Can Take Without Nick Bosa | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxOQjd0ajdlTmJpYjFobmVyeGRFY1BLM09WNFdYdkRCcGd4VEFxSXVvMDdXUVV6Y3hYbGJucklMVXcxNW4tSlROWFJHclNqV3BCR0xYQTZLRERlUzRQbEJpdTFTSklYUllycENXa1BnTTBnYS04N0hzT0VIaDI5ajMtVQ?oc=5) |
| Yahoo Sports | 49ers’ HC Kyle Shanahan Sends Strong Message on Nick Bosa Injury | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxNY3ViNG1Jdml5Qk5YN1lZN2RsN2FpMGdla200enktU1JYX0gxUHpuTmJNSDV1ZFRyM0NNWjV5Ulk3d2pSMzE5bnUxWTJTdVhCc3FBXzV4Vl9yNm1TOUlxbGpsSzkyWDdvVEZrc09ReHZlbEZiSXY3T2Eycl9mT01Cai1oYw?oc=5) |
| San Francisco 49ers | Nick Bosa OUT vs. Cardinals; Mike Evans Questionable Ahead of #AZvsSF | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxQeXFKR3VXWHVLc082WWxaYlNoT21WZmJ5Uy1pSGRJbXFOWXVMbGtvcktfQThkZ0JLNVJmRFU1dV8zSm04M09mUm5rUi03UG0xN3IweER4bS1ONWNBMF9GUHE2QUQ2aEJGSGpNWGlHRmpKZ2tSekFaSllBZ1ZhNHA5Vnhkams0c19kcnBZc1RURDZkVWFROGhnUw?oc=5) |
| cbssports.com | 49ers' Nick Bosa: Won't play Sunday | [Source Link](https://news.google.com/rss/articles/CBMiiAFBVV95cUxOQUh4SVNReF9HeVM1ZUtiRGRfNlZSSm0wajhZWDFza0dLLXdxRTBzQlVTcWZtYzFXczRfVnlfM3JpZF8xT0cwX2lUb1hFZ3l2WVJpbHJNWHVYcl9RajJ5eXlOS0c1Y0xzVWJNb2dLdC01bnA0clJXdG9qaENSc3hSQ2x2Rmlrd2ky?oc=5) |
| Yahoo Sports | DE Nick Bosa expected to miss multiple weeks 'The NFL Report' | [Source Link](https://news.google.com/rss/articles/CBMihgFBVV95cUxNMFdxZG9KeWMza2J4MGFHaFk4V0djZ0tVUGo1MjBNVV9BdFJnT05jV29YdlhrSUhIT3gzMl9FWXAtTDFiNlZ3RElBbGF4dllVdHBYdGJDUXFIckhaZzBCbU4yVE1HMkxjenVJUjBHYTN2ZVl2aTZFYTdHTzByYjJ3VkMzY0czQQ?oc=5) |
| NBC Sports | Kyle Shanahan on Nick Bosa’s injury: I know he’s bummed, but he’ll be back | [Source Link](https://news.google.com/rss/articles/CBMiywFBVV95cUxQWDI1TFA0SmxlNW5FMVJsRWhGT0txNktGR3hQVk5CcXdTUlJYRDhjc0dfMDNUWGZOU0ZTNVJ1X1UtRjN0T2hJRUJ0Mk9tSkFITHF1QUFkdTM2M01rTlJyV3hsZXY0cjhnb0xLMlJiV0xFUi1vYk5Da3NFV3R3SXF1dm1VM19HRDUtcU9DTkZwX1gzM0hTbnJoWDBJSmQzbVMzWkh4N2FxbG1XWW40NlcydWVFaXJKd2dnTUpmYllYdGRMLUpXcnUteGVZbw?oc=5) |
| Niners Wire | Kyle Shanahan provides optimistic update after Nick Bosa injury | [Source Link](https://news.google.com/rss/articles/CBMiuAFBVV95cUxQRWJXcHNKdldEMDFzMlJsUndFM281Y0owMHBILVRtQXU3V25rOWRCX1R1aWUwUWFNbmMzUkItOTYxQ3c1UU0tRXpCNkllU1FORGNWemtpeXJLYlR4TUlfTGlDeEp4dmIxX1hLcFhBMzQzTVNzNERYREl0OUx5RHVZTmxheHBKa0VQZE1UcGZwa2M2T21PQTNjbzFxUnZaajlyNjVBNXpMcDY4ZnJ6ekNZTldnRWt5MXAy?oc=5) |
| Arizona Sports | Cardinals-49ers injury report: Nick Bosa out, Garrett Williams on track for season debut | [Source Link](https://news.google.com/rss/articles/CBMipwFBVV95cUxOMUNiNXFHWnhNQ1cwX3N5alBPSzhrT3o4SnZGR1JzY1pDeEtPSWZYNExqWFRqUUxZOVJfam1LT2dRdFlocmszWW42YU50dm9FLUpsTExVYlRlQm4tcWNiYmpZd21aMFlYSkVxYzNSYkhmb0Y2LXpfV0k3TEJrdXZWd19uMUlUWjlJY3RJbGxlcnNxSnhjS3daSHRZNnd6WVl4VUhoTjBUTQ?oc=5) |
| Yahoo Sports | Kyle Shanahan provides optimistic update after Nick Bosa injury | [Source Link](https://news.google.com/rss/articles/CBMikAFBVV95cUxQbzBMS295dElCaDFSN1VNdUZRNmJscnlqWVpuc1MtTzl3NHZ6TmlBT2pRRERBUHlULVppY1RLeTdpcDY2d3RDaVkzeW5jbGJBYWVzQ1AtY1pKRnhiMmQ3OHA0cDZtWGRfUGhJb19Oc1RHMk9fUmNjcUpGRTBCRUNZNkk2VWFla01zOGNVZWhDV3M?oc=5) |
| Niners Nation | Kyle Shanahan shares how Nick Bosa got hurt; calls 49ers injuries ‘unusual’ | [Source Link](https://news.google.com/rss/articles/CBMi0wFBVV95cUxOdGJHNm9lZWVwU2p6QnBmQ2VKcUM0Y3VGTnMtSE1UX0J4Y1ZoTzlnV1ZfYTVOZWhQVzJsQmNtZlk5RjhmSEdJeTdzU0N1RW9NTGExQjBiQ1NSVmNnWU9QQVQ1aE1QRUp4U2VfSjBaUEdNWWNOZFpaS0UyX2V5VXlRSDRuWWU1cXIyMllPcy1oeGU0UktCQ1c4RXdzbWp2ZkdFdlU5bVo5U2JiLW4tUVg3SUk3U1NmMmRvcHhvV2xDOE1SVjhuSUhQV0hhNjdVVHhOWTBr?oc=5) |
| Yahoo Sports | 49ers injury report: Nick Bosa ruled out, and a Mike Evans update | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxQYjJwQVJ1UnBiVFdFYXpNVWtqVGh5dGNIdV9OQnl6UmVKWThEVkxVYWs0eHRJYktWUjhEbkdHNlBPaXpvMkwwWFlZWDVablZtamxHUEdrVFZOcXFwTVhRenAzR3ZEdm53bGg5a2xIY21QZ09Xa19hLU5KMG1GbjhUODdFV0c?oc=5) |
| Yahoo Sports | Ex-Bills Edge Rusher Joey Bosa Faces 49ers Speculation After Nick Bosa’s Injury | [Source Link](https://news.google.com/rss/articles/CBMif0FVX3lxTE1FT282OGxMMUZVYWFVWEdEZ3gyYm1vRnhpZUxrOWxKNkplN2QwdEJQbzd3TjlHSkNQN2JNbkhuY0xDdjBGcVh1TzFqbEcwbUFvMWs0SURvOFJGbV9qRUljc2tFeWgyblhSdTdGSndrY040eVRvQjZPY2pTd3BlcU0?oc=5) |
| sfchronicle.com | 49ers’ Nick Bosa out multiple weeks with calf injury, adding to ‘horror show’ of D-line attrition | [Source Link](https://news.google.com/rss/articles/CBMipwFBVV95cUxNclYzeXZKTkpXTHY5azJoWFlaTGMzWDc0ZkVTSUI4d25jSUgzOGtTUEI1RFFUOWV1eThuQnI4Qk9OR3BMOERnTW96NnNEZEo1UE82dzQxanZwX3hGRWQtRXJteEF6VFItLTlqbS1TbnhEVER6d0Ezb0RRRlc0NDdJdlVGSG9fT0FiUll5SGptU2JMcnMtei1qSkhYMWRMYnM1cGhjMzdfMA?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-25/49ers-nick-bosa-out-multiple-weeks-with-calf-injury-adding-to-horror-show-of-d*