The ‘12th Man’ concept originated in 1984 when the Seahawks retired the No. 12 jersey to honor their fans. No player was allowed to wear the number, as it represented the fans’ crucial role in the ...

Seahawks fans are the heartbeat of Seattle. Learn the history of the 12th Man Seahawks, and the 12s nickname origin for the ...

In 1984, the Seattle Seahawks officially dubbed their fans "12s" ...

In football, 11 athletes per team are allowed on the field. The Seahawks view their fans as their “12th man.” ...

When Seahawks wide receiver Rashid Shaheed returned the 49ers opening kickoff 95 yards for a touchdown during Saturday’s divisional round of the NFL playoffs, it rocked Lumen Field in a way ...

"12-mobiles" should get quite the reaction from Bay Area football fans as Seahawks fans make the journey to California.

Only the loudest and most passionate get to call themselves the 12s. Here's the story behind the Seahawks fans' nickname.