The Raiders signed Wilkerson to their practice squad Tuesday.
The Raiders waived Wilkerson on Saturday, Doug Kyed of the Boston Herald reports.
Wilkerson (coach's decision) is inactive for Sunday night's contest against the Raiders.
Wilkerson went without a target across 28 snaps on offense in Sunday's 38-10 loss to the Bills.
Wilkerson signed a contract with the Raiders on Monday, Aaron Wilson of KPRC 2 Houston reports.
Wilkerson was waived by the Colts on Tuesday.
The Colts claimed Wilkerson off of waivers from the Patriots on Thursday, Field Yates of ESPN reports.
The Patriots waived Wilkerson (concussion) on Wednesday, Field Yates of ESPN reports.
The Patriots placed Wilkerson (concussion) on injured reserve Tuesday, Evan Lazar of the Patriots' official site reports.
Wilkerson (concussion) is not expected to play in Friday's preseason matchup with the Raiders, Andrew Callahan of the Boston Herald reports.