[1][2] He was signed by the Jacksonville Jaguars of the National Football League (NFL) as an undrafted free agent in 2012.

[citation needed] Brown signed with the Jacksonville Jaguars following the 2012 NFL draft as a rookie free agent.

[3] Brown was originally invited to a workout with the Jaguars, and after an impressive showing, he was offered a contract.

He spent most of the 2012 season on the team's practice squad before being promoted to the active roster on December 18.

Brown scored his first career touchdown on a 29-yard reception from quarterback Chad Henne against the San Francisco 49ers in London.