A primer on the Raiders, their free agents and free agents to whom they've been linked: (3-27-12)Raiders' unrestricted free agentsSS Tyvon Branch (FRANCHISE TAGGED, worth 6.212 million)RB Michael Bush --signed with ChicagoQB Jason Campbell -- signed with ChicagoLB Quentin Groves OL Stephon HeyerDE Jarvis MossC Samson Satele -- signed with IndianapolisWR Chaz Schilens -- signed with New York JetsDE Trevor Scott -- signed with New EnglandS Matt GiordanoCB Lito Sheppard RT Khalif Barnes -- re-signed with RaidersQB Kyle BollerWR T.J. HoushmandzadehRB Rock Cartwright -- signed with 49ersLB Darryl BlackstockRaiders' restricted free agentDL Desmond Bryant (Given second-round tender)Raiders' exclusive rights free agentsS Jerome BoydDL Mason Brodine (TENDERED)CBKR Bryan McCann (TENDERED)FB Marcel Reece(TENDERED)Raiders players cutCB Stanford Routt -- signed with Kansas CityCB Chris JohnsonFS Hiram EugeneTE Kevin Boss -- signed with Kansas CityRG Cooper Carlisle -- re-signed with RaidersDT John HendersonLB Kamerion Wimbley -- signed with Tennessee TitansOther teams' free agents linked to the RaidersHouston RG Mike Brisiel -- Signed with Raiders on March 16St. Louis CB Ronald Bartell -- Signed with Raiders on March 16Green Bay CB Pat Lee -- Signed with Raiders on March 2749ers CB Shawntae Spencer -- Signed with Raiders on March 19Cincinnati LB Manny Lawson