He played college football at Maryland and Auburn and was selected by the New England Patriots in the fifth round of the 2019 NFL draft.

[3] After appearing in the team's first two games, Cowart left Auburn early in the 2017 season and attended Hillsborough Community College (HCC) near his Florida home.

[3] Cowart was selected by the New England Patriots in the fifth round (159th overall) of the 2019 NFL draft.

[8] In Week 14 of the 2020 season against the Los Angeles Rams on Thursday Night Football, Cowart recorded his first career sack on Jared Goff during the 24–3 loss.

[16] On September 19, 2023, Cowart was signed to the practice squad of the Miami Dolphins.