San Francisco loses the fullback who helps tie together its motion-heavy run and play-action packages. The 49ers can cover his snaps with tight ends, but Juszczyk's versatility lets Kyle Shanahan move between formations without changing personnel, and that flexibility is harder to replace.
PFM NFL Injury Tracker
2026 San Francisco 49ers Injury Report
The 2026 San Francisco 49ers injury report currently has 16 players still being tracked. The latest San Francisco 49ers injury update is Kyle Juszczyk, currently listed as Injured.
Last updated:
Upcoming Game Status
Latest verified practice participation and game designations for this matchup.
Week 5 · at Seattle Seahawks · Oct 11
No verified practice or game designations are listed yet for this matchup.
Current San Francisco 49ers Injuries
16 currenthyperextended knee
Marques SigleS Injuredhigh ankle sprain
Mike EvansWR Injuredrib strain
Nick BosaDE Injuredknee/calf
Dre GreenlawLB Injuredquadriceps
Mykel WilliamsDL Monitoringknee
James Thompson Jr.DL Injuredhigh ankle sprain
Demarcus RobinsonWR Injuredhigh ankle sprain
De'Zhaun StriblingWR IRdeltoid ankle sprain
Jake TongesTE IRknee
Alfred CollinsDT IRtorn patellar tendon
Sam OkuayinonuDE IRFoot
Isaac GuerendoRB Injuredpectoral
Christian KirkWR IRInjury update
Austen PleasantsOL IRInjury update
Victor DimukejeDL IRInjury update
PFM Impact on San Francisco 49ers
San Francisco has to change its safety rotation for multiple weeks, with Malik Mustapha moving into Sigle's role. That adds another moving piece to a defense already managing injuries across the front and secondary.
Evans remaining out of practice keeps San Francisco's boundary receiving group without one of its primary size and downfield options, narrowing the offense's ability to attack outside the numbers.
Latest San Francisco 49ers Injury Updates
Kyle Juszczyk Expected to Miss 2-3 Weeks
Kyle Juszczyk hyperextended his knee against Denver and is expected to miss two to three weeks.
Marques Sigle Expected to Miss Multiple Weeks
Marques Sigle suffered a high ankle sprain against Denver and is expected to miss multiple weeks.
Trent Williams Cleared for Week 4
Trent Williams is cleared to play against Denver.
Mike Evans Misses Second Straight Practice
Mike Evans did not practice Thursday for a second straight day because of his rib injury.
Nick Bosa Now Listed With Knee and Calf Injuries
Nick Bosa did not practice Thursday and San Francisco listed him with knee and calf injuries.
Dre Greenlaw Misses Thursday Practice
Dre Greenlaw did not practice Thursday because of his quadriceps injury.
49ers Open Mykel Williams' Practice Window
San Francisco opened Mykel Williams' practice window and he was limited Wednesday.
49ers Expect Trent Williams to Be Good to Go by Thursday
Kyle Shanahan said Trent Williams is expected to be good to go by Thursday after leaving Week 3 with a stinger.
Dre Greenlaw Managing Quad Contusion This Week
Dre Greenlaw is dealing with a quad contusion, and San Francisco plans to manage his workload this week.
49ers Plan to Open Mykel Williams' Practice Window
San Francisco plans to open Mykel Williams' practice window Wednesday as he works back from the right knee ACL and lateral meniscus injury that began his season on PUP.