Oakland Raiders' Justin Ellis celebrates a sack of San Francisco 49ers' Colin Kaepernick in 4th quarter of Raiders' 24-13 win in NFL game at O.co Coliseum in Oakland, Calif., on Sunday, December 7, 2014.
Oakland Raiders' Justin Ellis celebrates a sack of San Francisco 49ers' Colin Kaepernick in 4th quarter of Raiders' 24-13 win in NFL game at O.co Coliseum in Oakland, Calif., on Sunday, December 7, 2014.
Photo: Scott Strazzante / The ChronicleThe Raiders on Thursday designated defensive tackle Justin Ellis to return from injured reserve.
The Raiders now have three weeks to either activate Ellis or place him on season-ending IR.