The Seattle Seahawks have announced several roster changes, signing defensive tackle Justin Rogers and rookie cornerback Kam Alexander while releasing cornerback Zy Alexander. Kam Alexander, who went undrafted out of Oregon, is poised to make an impact after a solid collegiate career, showcasing his potential with 38 total tackles and three interceptions. Justin Rogers, drafted by the Dallas Cowboys, joins the Seahawks after spending time on the Bengals' practice squad. This shake-up reflects the team's effort to bolster their defensive lineup ahead of the season.