Raiders LB Blake Martinez announced Thursday that he's retiring. It's a shocking move, given that Martinez had made his way into the Raiders lineup after getting his release from the Giants at the start of the season. Martinez appeared in line to start this Sunday against the Colts after the team placed Divine Deablo (forearm) on IR. It's not yet clear who the Raiders will have at LB this weekend. In addition to Deablo and Martinez, Denzel Perryman (hip, ribs) did not practice Wednesday. Jayon Brown -- a healthy scratch in Week 9 -- Luke Masterson and Darien Butler are next in line. Martinez played 5 seasons with the Packers (4) and Giants before losing most of 2021 to an ACL tear.