PHOTOS: 12s Return to Lumen Field For First Preseason Game vs. Raiders

The 12s attended Seahawks Training Camp on August 5, 2025 at the Virginia Mason Athletic Center.

The 12s attended Seahawks Football Fest at Lumen Field on Saturday, August 2nd, 2025; a sneak peak of the upcoming season.

The 12s attended a public practice day on August 1, 2025 at the Virginia Mason Athletic Center.

The 12s visited the Virginia Mason Athletic Center for a training camp practice on Saturday, July 26, 2025.

The 12s attended a Seahawks training camp practice on Friday, July 25, 2025 at the Virginia Mason Athletic Center.

The 12s attend the Seahawks' first practice of training camp on July 23, 2025 at the Virginia Mason Athletic Center.

The 12s are excited for the Seahawks' Week 18 matchup against the Los Angeles Rams at SoFi Stadium on Sunday, January 5, 2025.

The 12s are excited for the Seahawks' Week 17 matchup against the Chicago Bears at Soldier Field on Thursday, December 26, 2024.

The 12s are excited for the Seahawks' Week 16 matchup against the Minnesota Vikings at Lumen Field on Sunday, December 22, 2024.

The 12s are excited for the Seahawks' Week 15 matchup against the Green Bay Packers at Lumen Field on Sunday, December 15, 2024.

The Seahawks retired the number 12 40 years ago to celebrate the most passionate and energetic fanbase in the NFL, the 12s. Take a look at some of the best photos of the 12s throughout the organization's history.

The Seahawks are celebrating the 40th anniversary of the retirement of the number 12 in honor of the best fan base in the NFL so take a look at some of the most notable Seahawks fans.