[2][3][4] Mauldin attended Maynard H. Jackson High School in Atlanta, Georgia, where he played football and basketball and competed in track.

In track & field, Mauldin competed in events ranging from the high jump to the discus throw.

[11] Mauldin played his first regular season game on September 13, 2015, against the Cleveland Browns, where he forced a fumble off Johnny Manziel.

However, after forcing the fumble, he suffered an apparent neck injury, was rendered unconscious for a few minutes, carted off the field, and taken to a local hospital.

[13] During his rookie season in 2015, Mauldin played 15 games making 10 tackles, 4 sacks, and a fumble recovery.

[18] He did not play in 2020 due to the cancellation of the 2020 CFL season, and opted to sign a one-year contract extension on January 4, 2021.

[21] As a pending free agent, Mauldin and the Redblacks agreed to a one-year contract extension on January 18, 2023.

[23] On June 11, 2017, it was revealed that Mauldin attacked another customer at a Manhattan nightclub two months prior to the announcement.