INDIANAPOLIS (AP) _ The Indianapolis Colts have signed defensive lineman Lawrence Guy and offensive lineman Xavier Nixon. The 6-foot-4, 318-pound Guy spent part of last season with the Colts but was waived in August. Nixon had been on Washington's practice squad. Indianapolis also waived receiver Da'Rick Rogers and running back Kerwynn Williams. The Colts invade Jacksonville to take on the Jaguars sunday at 1:00, with broadcast time on Newstalk 1190 WOWO/92.3FM at noon.