He played college football at Oregon, and signed as an undrafted free agent by the New Orleans Saints in 2020.

Throckmorton grew up in Bellevue, Washington and attended Newport High School, where he played both offensive and defensive line for the football team.

[7] He was graded the fourth-best offensive tackle in college football by Pro Football Focus (PFF) and was named a second-team All-American by the FWAA, Phil Steele, and PFF as well as first-team All-Pac-12 by the Associated Press (AP) and honorable mention All-conference by the league's coaches.

[8][9] Throckmorton entered his redshirt senior season on the watchlist for the Outland Trophy and was named a preseason All-American by the AP and PFF.

[13][14] Throckmorton signed with the New Orleans Saints as an undrafted free agent on April 27, 2020, shortly after the conclusion of the 2020 NFL Draft.

He made his NFL debut in the Saints' season opener against the Green Bay Packers on September 12, 2021.