ACTIVE

SebastianValdez

DIDI#55SF 49ers

6'4" • 305lbs

Overall Grade '26: 55.8; 78th/128 - DIs
Snap Count '26: 153; 98th/193 - DIs
Pressures '26: 6; 83rd/128 - DIs
WK 8 MATCHUP: -; BYE WEEK

Sebastian

Valdez

#55

SF 49ers

BIO

GRADES

SEASON STATS

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Summary Bio

Last updated: 11/1/2026

Sebastian Valdez is an interior defensive lineman for the San Francisco 49ers who earned a 55.8 overall PFF defensive grade in the 2026 season, 78th among 128 qualified interior defensive linemans. His PFF pass-rush grade of 53.9 ranked 111th among 128 qualified interior defensive linemans. His run-defense grade of 56.9 ranked 55th at the position.

He generated 6 total pressures as a pass rusher. That total included 1 sacks, 4 hurries, 1 hits. Against the run, he recorded 8 solo tackles.

Career

Teams

Year

San Francisco 49ers

2025 - Present

Washington Huskies

2024

Montana State Bobcats

2021 - 2023

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Season Stats

2026

Regular

Players receive a ranking if they qualify 25% of the maximum targets, run attempts or dropbacks at the position (depending on the metric).

SOLO TACKLES

70th/128 DIs

SACKS

29th/128 DIs

ASSISTS

116th/128 DIs

FORCED FUMBLES

19th/128 DIs

Defense

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Rank

Solo Tackles

116

Assists

Forced Fumbles

Stops

Sacks

Hurries

Hits

Total Pressures

Batted Passes

Snaps

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Rank

Total Snaps

153

Run Defense Snaps

103

Pass Rush Snaps

SebastianValdez

Summary Bio

Career

PFF Grades

Season Stats

Defense

Snaps