Tobeck signed with Seattle after six years in Atlanta starting as both a center and left guard. In his second season with the Seahawks, Tobeck became the starting center and held that role for 93 consecutive games, including playoff appearances, across his final six seasons in the NFL. Tobeck earned Pro-Bowl honors in 2005 and played in two career Super Bowls, including Super Bowl XL, the first appearance in Seahawks franchise history. He also served as a team captain for two seasons from 2001-02. Tobeck retired following the 2006 season, returning in December of 2007 to raise the 12 Flag ahead of a home game against Baltimore.