The Washington Redskins announced today that they have signed free agent defensive lineman Vonnie Holliday. Terms of the deal were not disclosed. Holliday, 34, has played in 167 career games, with 144 starts, in 12 National Football League seasons with four clubs. For his career, he has recorded 572 tackles, 60 sacks, two interceptions, 38 passes defensed, nine forced fumbles and 11 fumble recoveries.