The NFL Defensive Rookie of the Year is an annual award given to the top first-year defensive player in the National Football League. This honor recognizes outstanding performance and impact on the field during the regular season. The award is voted on by a panel of sportswriters and broadcasters. Players eligible for this award include linebackers, defensive backs, and defensive linemen who are in their first season in the league. Winning the NFL Defensive Rookie of the Year can significantly boost a player's career, highlighting their potential and skill in a highly competitive environment.