[1][2][3] Growing up less than an hour from Tuscaloosa, he dreamt of coaching football at Alabama from the age of ten, idolizing Nick Saban.

[2] Armstrong would eventually be hired in 2016 by West Georgia as an assistant defensive line coach.

[4] Armstrong would serve as an assistant defensive line coach for Louisiana-Lafayette under Billy Napier for the 2017 and 2018 seasons.

[6] In 2020, Armstrong would return to Louisiana this time serving as the inside linebackers coach for the Ragin' Cajuns.

[5][7] In January 2023, Armstrong was hired by his idol Nick Saban as the inside linebackers coach at Alabama.