Photo Gallery - 12s vs 49ers

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.

The 12s are excited for the Seahawks' Week 14 matchup against the Arizona Cardinals at State Farm Stadium on Sunday, December 8, 2024.

The 12s are excited for the Seahawks' Week 13 matchup against the New York Jets at MetLife Stadium on Sunday, December 1, 2024.

The 12s are excited for the Seahawks' Week 12 matchup against the Arizona Cardinals at Lumen Field on Sunday, November 24, 2024.

The 12s are excited for the Seahawks' Week 11 matchup against the San Francisco 49ers at Levi's Stadium on Sunday, November 17, 2024.

The 12s are excited for the Seahawks' Week 9 matchup against the Los Angeles Rams at Lumen Field on Sunday, November 3, 2024.

The 12s are excited for the Seahawks' Week 8 matchup against the Buffalo Bills at Lumen Field on Sunday, October 27, 2024.