Why Are Seattle Seahawks Fans Called the 12s?

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

What Are the 12s? All About the Intense Seahawks Fan Tradition

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

Patriots player Kyle Williams chases down fan who ran onto field during Super Bowl

When a fan ran onto the field during the Super Bowl, Patriots player Kyle Williams ran to track him down.

Seahawks Kicker Jason Myers Made Super Bowl History With Five Field Goals

Fans were even calling for Myers to be named the Super Bowl MVP thanks to his amazing performance.

Mike Macdonald says Seahawks fans, NFL's best home-field advantage, were key to winning

"It was unbelievable. It was incredible. And we needed it," Macdonald said of the crowd noise.