The Green Bay Packers had the youngest and least experienced overall roster, the most first-year or rookie players and the second-fewest players over 30 years old to open Week 1 of the 2023 season.
They were also one of the biggest teams to start 2023.
According to information collected by the NFL, the Packers had an average age of 25.13 years, average experience of 3.0 years and 17 rookies or first-year players. The Cincinnati Bengals ranked second in age at 25.42 years on average. The Los Angeles Rams ranked second in experience at 3.