He joined the team after serving as the New England Patriots defensive coordinator for six years.
Since Patricia's hiring, the Lions fell to the bottom 10 ranking in scoring, total and pass defense, according to the NFL.He has the worst career win percentage "by any coach whose teams averaged 21-plus points per game in the Super Bowl era (minimum 40 games coached)," the NFL reported.
Quinn joined the Lions as the general manager in 2016.