Originally drafted by San Francisco in the fourth-round (100th overall) of the 2006 NFL Draft. Played four seasons for the 49ers.
Named Sports Illustrated All-Pro after the 2012 season, where he helped Marshawn Lynch to a career-year with 315 carries for 1,590 yards (5.0 avg.) and 11 touchdowns.
Played in all 16 games for the third time in career with a career-high six starts in 2012. Tied (2006 season) career-high with two total touchdowns (both receiving). A special teams captain for second-consecutive season, was second on the team with 10 special teams tackles (seven solo).
In 2011, helped block for Marshawn Lynch’s club record of at least one touchdown in 11- consecutive games. Also helped pave the way for Lynch to become Seattle’s first 1,000-yard rusher since 2005. Earned first-career trip to the Pro Bowl.
Hauled in first-career receiving touchdown at Chicago (12/18/11).
Started four of 11 games for Seattle at fullback, also seeing snaps at running back and quarterback in 2010.
In 2009, set a single-season career high with 414 kickoff returns yards and finished third on the team with 20 special teams tackles.
Named a Pro Bowl alternate as a specialist after ranking third on the team with 16 special teams stops in 2008.
In 2007, led team with 27 special teams tackles.
Made first career start at running back in place of Frank Gore (ankle) at Atlanta (11/4/07).
Executed a fake punt for 33 yards on a direct snap at Seattle (12/4/06), which established a career-long rushing attempt.