Sebastian Valdez

LDT · 2nd season

YR 2

Current depth chart

LDT2SecondYR 2

Depth relationships

LDT193Gracen Halton→

LDT255Sebastian ValdezSELECTED

Bio

Sebastian Valdez is a defensive tackle for the San Francisco 49ers. The 6'3", 301-pound lineman attended Montana State (2021–23) and Washington (2024), appearing in 43 total games across both programs. Over his college career, he recorded 141 tackles, 22.0 tackles for loss, 14.0 sacks, 3 pass deflections, 2 forced fumbles and 1 fumble recovery. In 2024 at Washington, Valdez started all 13 games with 49 tackles, 4.5 TFLs, 2.0 sacks and 1 PD. He was signed by San Francisco as an undrafted free agent and holds a one-year contract.

Sebastian Valdez played 5 games in 2025 with a 33% share of defensive snaps.

Player information

Height6'3"Weight301 lbHometownSpring Valley, CAAge24CollegeWashington · Montana StateDraftedUndrafted free agent · signed with 49ersExperience1 NFL season

Contract

$1.0Mper year · AAV