[2] He started every regular season game for Iowa at left tackle during his redshirt freshman season and was named to the Big Ten Conference All-Freshman team and a freshman All-American by the Football Writers Association of America.

[7] He missed three games due to injury as a redshirt junior and was named third-team All-Big Ten at the end of the season.

[8] As a redshirt senior, Jackson was named first-team All-Big Ten and a second-team All-American by the American Football Coaches Association after starting all eight of Iowa's games in the team's COVID-19-shortened 2020 season.

[13] Jackson made his NFL debut on October 31, 2021, playing nine snaps on offense in the fourth quarter of a 38–22 win over the Houston Texans.

[14] Jackson won Super Bowl LVI when the Rams defeated the Cincinnati Bengals 23–20.