It's the Houston Texans.
Packers, Patriots are the youngest
The New England Patriots are the youngest team.
The Houston Taxans join the NFL in 2002
St. Louis rams
The youngest quarterback in the NFL is Matthew Stafford,( In 2009.)At age 21.His birth date is February 7,1988.
The youngest active NFL head coach is Raheem Morris of the Tampa Bay Buccaneers.
The Tennessee Titans
Green Bay Packers
Portland Trailblazers have the youngest team in the NBA with an average age of 24.07