A look at some memorable moments in Seahawks history that occurred on March 6:
2006: Shaun Alexander is re-signed to a multiyear contract, after being voted league MVP and leading the NFL in rushing (1,880 yards) and touchdowns (28) in 2005. Alexander would not have another 1,000-yard rushing season before being released during the 2007 offseason, but he remains the franchise career leader in rushing yards (9,429), touchdowns (122) and rushing attempts (2,176).
1975: John Thompson is named the team's first general manager. Thompson had been executive director of the NFL Management Council.
1997: Bennie Blades, a Pro Bowl safety from the Lions, signs with the Seahawks – joining his younger brother, Brian, who would rank No. 2 on the team's all-time reception list by the time he retired after the 1998 season. Bennie played in 10 games in '97 before an injury forced him to retire.
1998: Brian Habib, a guard on the Broncos' Super Bowl championship team, agrees to sign with the Seahawks in free agency. Habib, who played at the University of Washington, started all 32 games in two seasons with the Seahawks.
On October 5, 2010, the Seahawks acquired Marshawn Lynch and in his nine years in the NFL Lynch has made some truly spectacular plays, rightfully earning the nickname Beast Mode.
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
NFL Football: NFC Conference Playoff: San Francisco 49ers at Seattle Seahawks Game Action CenturyLink Field/Seattle, WA, USA 1/19/2014 X157457 TK1 Credit: Rod Mar
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Seattle Seahawks running back Marshawn Lynch (24) breaks out for a touchdown run against the Philadelphia Eagles in the first half of an NFL football game, Thursday, Dec. 1, 2011, in Seattle. (AP Photo/Ted S. Warren)
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Seattle Seahawks vs San Francisco 49ers; Marshawn Lynch
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Seattle Seahawks running back Marshawn Lynch (24) stiff-arms Atlanta Falcons safety William Moore (25) during an NFL football game on Sunday, November 10, 2013 in Atlanta. The Seahawks won 33-10. (AP Photo/Paul Abell)
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2015: Marshawn Lynch, who is coming off his fourth consecutive 1,000-yard rushing season, signs a two-year contract extension.