Photo Gallery - 12s at Cardinals

[September 26, 1976]: 49ers 37 – Seahawks 21

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

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

[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)

[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, 2002. The 49ers won, 28-21. (AP Photo/John Froschauer)

[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)

[September 26, 2004]: Seahawks 34 – 49ers 0Seattle Seahawks' Shaun Alexander scores on a 1-yard run as San Francisco 49ers' Julian Peterson tries to stop him in the second quarter Sunday, Sept. 26, 2004, in Seattle. (AP Photo/Elaine Thompson)

[December 11, 2005]: Seahawks 41 – 49ers 3Seattle Seahawks quarterback Matt Hasselbeck passes over San Francisco 49ers' Ronald Fields during the second quarter in Seattle Sunday, Dec. 11, 2005. The Seahawks won 41-3 with Hasselbeck throwing for 226 yards and a season high four touchdowns. (AP Photo/John Froschauer)

[December 14, 2006]: 49ers 24 – Seahawks 14Seattle Seahawks wide receiver Deion Branch (83) fails to catch a pass in the rain as San Francisco 49ers cornerback Walt Harris, left, defends n the first quarter Thursday, Dec. 14, 2006, at Qwest Field in Seattle. (AP Photo/Ted S. Warren)

[November 12, 2007]: Seahawks 24 – 49ers 0Kicker Josh Brown #3 of the Seattle Seahawks kicks a PAT against the San Francisco 49ers on Sunday, November 12, 2007 in Seattle, Washington. Seattle won the game 24-0. (AP Photo/Thomas E. Witte) Josh Brown

[September 14, 2008]: 49ers 33 – Seahawks 30 (OT) San Francisco 49ers quarterback J.T. O'Sullivan is tackled by Seattle Seahawks Brandon Mebane during an NFL football game Sunday, Sept. 14, 2008, in Seattle. (AP Photo/Elaine Thompson)

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

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

[December 24, 2011]: 49ers 19 – Seahawks 17In this Dec. 24, 2011, file photo, Seattle Seahawks' Heath Farwell (55) blocks a punt by San Francisco 49ers' Andy Lee in the second half of an NFL football game in Seattle. Lee, fresh off his first career NFC special teams player of the week honor days earlier, had a punt blocked in the fourth quarter at Seattle on Saturday that very well could have cost San Francisco the game and a chance for the NFC's No. 2 seed. The Niners wound up rallying for a 19-17 win. That blocked punt marked the first for Lee since 2008 and just the third in his eight-year NFL career. (AP Photo/Kevin Casey, File)

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

[September 15, 2013]: Seahawks 29 – 49ers 3

[January 19, 2014]: Seahawks 23 – 49ers 17 NFC Championship Game

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