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Sebastian Valdez becomes key player for San Francisco 49ers defense

Yahoo Sports • 1 min read • Latest: Nov 7, 2026, 1:28 AM

Last updated Nov 7, 2026

Sebastian Valdez becomes key player for San Francisco 49ers defense

Summary

Sebastian Valdez, a 24-year-old defensive tackle, is a regular contributor for the San Francisco 49ers. Valdez, who previously went undrafted, earned his first standard NFL contract last month after proving his worth on the practice squad. In five games played, he has accumulated nine tackles, three quarterback hits, and a sack. Teammates praise his strength and performance, dubbing him "The Hulk." Valdez's journey began at Montana State after he was moved to defensive tackle due to an injury on the team.

Source Links

Yahoo Sports

By the Numbers

•Valdez was a zero-star recruit out of high school.
•He made the transition to defensive tackle during his freshman season at Montana State.
•Valdez recorded his first official NFL contract in October 2026.
•He has impressively contributed nine tackles and a sack in his NFL career.
•Teammates highlight Valdez's extraordinary strength and impact in games.

Latest Updates

1:28 AMYahoo Sports — 49ers' ‘Hulk' was a zero-star recruit. Now he's manhandling NFL linemen

What they're saying

"
Five years after being thrust into the spotlight at an FCS school, Sebastian Valdez, a 2025 undrafted free agent, is a 6-foot-3, 301-pound regular for the San Francisco 49ers defense.
— Yahoo Sports

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