Raiders sign former Chiefs LB Derrick Johnson
Coach Jon Gruden had said last week the sides agreed to terms and the contract became official on Monday. Oakland waived defensive back Darius Hillary to make room on the roster.
The Raiders also signed three players following tryouts at rookie minicamp over the weekend. Oakland gave deals to former Texas running back Chris Warren, Michigan fullback Henry Poggi and tight end Paul Butler from California of Pennsylvania.
Johnson is a four-time Pro Bowler and the career tackles leader for the Chiefs. He appeared in 182 games with 169 starts since being drafted in the first round in 2005. He has 1,262 tackles, 27 sacks and 14 interceptions in his career.
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