He played college football at the University of Miami, and signed with the New England Patriots as an undrafted free agent in 2019.
He decided to stay close to home and play his collegiate football at Miami over offers from Florida, Kentucky, Tennessee, and USC.
As a sophomore, he saw more action earning the first starts of his career as he got the nod for the final 8 games of the season at right tackle.
[2] St. Louis was subsequently signed by the Los Angeles Chargers on October 18 to their practice squad for the rest of the season.
For the 2020 season, he was named in the initial 53-man roster and made his NFL debut in the opening weekend game against the Cincinnati Bengals filling in at right guard for the injured Trai Turner.