Sebastian Valdez
Sebastian Valdez is an American professional football defensive tackle for the San Francisco 49ers of the National Football League. He played college football for the Montana State Bobcats and Washington Huskies.
Valdez attended Monte Vista High School in Spring Valley, California. He committed to play college football for the Montana State Bobcats.
College career
Montana State
As a freshman in 2021, Valdez recorded 41 tackles with six and a half being for a loss, and three sacks. In week 3 of the 2022 season, he notched three tackles in a loss versus Oregon State. During the 2022 season, Valdez notched 44 tackles with ten being for a loss, seven sacks, two forced fumbles, and two fumble recoveries. In 2023, he recorded 40 tackles with eight and a half being for a loss, and five sacks. After the season, Valdez entered his name into the NCAA transfer portal. During his time as a Bobcat he earned both first and second-team All-Big Sky selections.
Washington
Valdez transferred to play for the Washington Huskies. During his one season as a Husky in 2024, Valdez notched 49 tackles, two sacks, and a pass deflection. After the season, he declared for the 2025 NFL draft.
Professional career
On April 26, 2025, Valdez signed an undrafted free agent contract with the San Francisco 49ers. He was waived on August 26 as part of final roster cuts and re-signed to the practice squad the next day. On January 20, 2026, he signed a reserve/futures contract.