Photo Gallery - Happy Birthday Russell Wilson!

[November 20, 2005]: Seahawks 27 – 49ers 25San Francisco 49ers' Brandon Lloyd, right, makes a one-handed catch while being defended by Seattle Seahawks' Kelly Herndon, left, in the first half on Sunday, Nov. 20, 2005, in San Francisco. (AP Photo/Marcio Jose Sanchez)

[September 12, 2010]: Seahawks 31 – 49ers 6

[December 24, 2011]: 49ers 19 – Seahawks 17

[November 25, 1985]: 49ers 19 – Seahawks 6San Francisco quarterback Joe Montana (16) passes during an NFL football game against Seattle Seahawks on Sunday, Nov. 25, 1985, in San Francisco. The 49ers won the game, 19-6. (AP Photo/Greg Trott)

[September 25, 1988]: 49ers 38 – Seahawks 7 

[December 8, 1991]: 49ers 24 – Seahawks 22

[October 14, 2002]: 49ers 28 – Seahawks 21San Francisco 49ers' Terrell Owens catches the game-winning touchdown pass from quarterback Jeff Garcia while Seattle Seahawks' Shawn Springs defends during the fourth quarter in Seattle, Monday, Oct. 14. 29, 2002. The 49ers won, 28-21. (AP Photo/John Froschauer)

[December 21, 1997]: Seahawks 38 – 49ers 9Seattle Seahawks wide receiver James McKnight (82) catches a 21-yard touchdown pass from quarterback Warren Moon in the second quarter of their game against the San Francisco 49ers Sunday, Dec. 21, 1997, in Seattle. Defending on the play is San Francisco's Merton Hanks (36). (AP Photo/Elaine Thompson)

[December 1, 2002]: 49ers 31 – Seahawks 24Seattle Seahawks linebacker Tim Terry (59) and defensive back Shawn Springs (24) combine to tackle San Francisco 49ers full back Fred Beasley (40) on Sunday, December 1, 2002, in San Francisco, California. The 49ers defeated the Seahawks 31-24. (AP Photo/Al Golub)

[October 12, 2003]: Seahawks 20 – 49ers 19Seattle Seahawks' Antonio Cochran (78) celebrates a fumble recovery by teammate safety Ken Hamlin on the first play after the 2-minute warning in the fourth quarter against the San Francisco 49ers, Sunday, Oct. 12, 2003, in Seattle. The Seahawks won 20-19. At left is 49ers' Ron Stone. (AP Photo/Elaine Thompson)

[December 27, 2003]: Seahawks 24 – 49ers 17San Francisco 49ers quarterback Jeff Garcia (5) making run on Saturday, December 27, 2003, in San Francisco, California. The Seahawks defeated the 49ers 24-17. (AP Photo/Al Golub)

[September 26, 2004]: Seahawks 34 – 49ers 0Seattle Seahawks quarterback Matt Hasselbeck looks for room to pass under pressure from San Francisco 49ers' John Engelberger (95) and Derrick Hamilton (88) in the first quarter in Seattle, Sunday, Sept. 26, 2004. (AP Photo/John Froschauer)

[November 7, 2004]: Seahawks 42 – 49ers 27Seattle Seahawks' Darrell Jackson, right, runs in for a touchdown past San Francissco 49ers' Ronnie Heard on a 33-yard pass reception in the first quarter Sunday, Nov. 7, 2004, in San Francisco. (AP Photo/George Nikitin)

[December 11, 2005]: Seahawks 41 – 49ers 3Seattle Seahawks quarterback Matt Hasselbeck, right, hands off to running back Shaun Alexander (37) in the first quarter against the San Francisco 49ers, Sunday, Dec. 11, 2005, at Qwest Field in Seattle. (AP Photo/Ted S. Warren)

[November 19, 2006]: 49ers 20 – Seahawks 14Seattle Seahawks running back Shaun Alexander, middle, is mobbed by San Francisco 49ers defenders as he carries the ball in the second half of an NFL football game in San Francisco, Sunday, Nov. 19, 2006.(AP Photo/Marcio Jose Sanchez)

[December 14, 2006]: 49ers 24 – Seahawks 14San Francisco 49ers running back Frank Gore (21)runs with the ball during a game against the Seattle Seahawks Thursday, Dec. 14, 2006 at Qwest Field in Seattle. (AP Photo/Ted S. Warren)

[December 14, 2006]: 49ers 24 – Seahawks 14San Francisco 49ers running back Frank Gore (21)runs with the ball during a game against the Seattle Seahawks Thursday, Dec. 14, 2006 at Qwest Field in Seattle. (AP Photo/Ted S. Warren)

[September 30, 2007]: Seahawks 23 – 49ers 3San Francisco 49ers tight end Delanie Walker (46) during an NFL football game against the Seattle Seahawks, Sunday, September 30, 2007 in San Francisco. The Seahawks won the game, 23-3.

[November 12, 2007]: Seahawks 24 – 49ers 0Punter Andy Lee #4 of the San Francisco 49ers punts from the endzone against the Seattle Seahawks on Sunday, November 12, 2007 in Seattle, Washington. Seattle won the game 24-0. (AP Photo/Thomas E. Witte) Andy Lee

[November 12, 2007]: Seahawks 24 – 49ers 0Punter Andy Lee #4 of the San Francisco 49ers punts from the endzone against the Seattle Seahawks on Sunday, November 12, 2007 in Seattle, Washington. Seattle won the game 24-0. (AP Photo/Thomas E. Witte) Andy Lee

[October 26, 2008]: Seahawks 34 – 49ers 13San Francisco 49ers heads tight end Delanie Walker (46) fumbles during an NFL game against the Seattle Seahawks, Sunday, Oct. 26, 2008 in San Francisco. (AP Photo/Greg Trott)

[October 26, 2008]: Seahawks 34 – 49ers 13San Francisco 49ers heads tight end Delanie Walker (46) fumbles during an NFL game against the Seattle Seahawks, Sunday, Oct. 26, 2008 in San Francisco. (AP Photo/Greg Trott)

[September 14, 2008]: 49ers 33 – Seahawks 30 (OT) Seattle Seahawks' Julius Jones, right, scores as San Francisco 49ers' Michael Lewis tries to get a hand on him in the first quarter of an NFL football game Sunday, Sept. 14, 2008, in Seattle. (AP Photo/Elaine Thompson)

[September 20, 2009]: 49ers 23 – Seahawks 10

[December 6, 2009]: Seahawks 20 – 49ers 17

[October 18, 2012]: 49ers 13 – Seahawks 6

[September 15, 2013]: Seahawks 29 – 49ers 3The Week 2 matchup was so big it was featured on Sunday Night Football, and a thunderstorm stopped the game in the first half. Even after the weather delay, threatening skies continued over CenturyLink Field.

[December 23, 2012]: Seahawks 42 – 49ers 13

[December 8, 2013]: 49ers 19 – Seahawks 17

[January 19, 2014]: Seahawks 23 – 49ers 17 NFC Championship GameSeahawks cornerback Richard Sherman skies to intercept a deep pass intented for San Francisco's Vernon Davis along the Seattle sideline as head coach Pete Carroll (lower right) watches.

[November 27, 2014]: Seahawks 19 – 49ers 3When San Francisco quarterback Colin Kaepernick challenged Seahawks cornerback Richard Sherman in the first quarter, Sherman responded with an interception as head coach Pete Carroll celebrated on the sideline.

[December 14, 2014]: Seahawks 17 – 49ers 7