The Facts: According to HC Pete Carroll, Walker has a groin injury and may remain out a while until they quiet that down.

Diehards Line: Walker missed a third consecutive day of practice Sunday, but Carroll made it clear the team is holding the running back out to prevent a more significant injury. Although Carroll downplayed the severity of Walker's ailment Sunday, it's unclear when he'll be able to return to practice, and his availability for Seattle's preseason opener against the Vikings on Aug. 10 remains to be seen. As for Charbonnet