The Raiders are re-signing Riddick to a one-year contract, Field Yates of ESPN reports.
Riddick, who caught four passes (on five targets) for 40 yards in Week 17, wraps up his 2020 campaign with six carries for 14 yards to go along with five catches for 43 yards on six targets in four games.
Riddick (coach's decision) is inactive for Sunday's game against Indianapolis.
Riddick took three carries for six yards and caught his only target for three yards in Sunday's 31-28 win over the Jets.
Riddick has a chance for snaps and touches Sunday against the Jets with Josh Jacobs (ankle) sidelined, Paul Gutierrez of ESPN.com reports.
The Raiders activated Riddick off the reserve/COVID-19 list Wednesday, Paul Gutierrez of ESPN.com reports.
Riddick (undisclosed) was placed on the reserve/COVID-19 list Saturday, Paul Gutierrez of ESPN.com reports.
Riddick (coach's decision) is inactive for Sunday's game against the Broncos.
Riddick (illness) was absent from Wednesday's injury report.
Riddick (illness) has been ruled out for Sunday's game versus the Chargers, Vic Tafur of The Athletic reports.