He previously served as an assistant coach for the Auburn Tigers, Cincinnati Bengals, Tennessee Titans, and Cleveland Browns.

Eason played college football at Clemson and was drafted by the Denver Broncos in the fourth round of the 2003 NFL draft and would play for 11 seasons in the National Football League (NFL) with the Broncos, Cleveland Browns, Pittsburgh Steelers, and Arizona Cardinals.

Eason was signed by the Cleveland Browns on 11 November 2004 and played in one game recording two tackles.

[5] Eason was promoted to the main roster and started in place of the injured defensive end Brett Keisel.

In 2014, Eason was hired by the Tennessee Titans as their defensive line coach under head Ken Whisenhunt.

Eason missed the team's weeks 12 and 13 games in 2020 against the New York Giants and Miami Dolphins due to COVID-19 pandemic protocols.