Oakland Raiders running back Jalen Richard (30) runs during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders quarterback Derek Carr (4) throws during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders wide receiver Jordy Nelson (82) during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders quarterback Derek Carr (4) during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Detroit Lions defensive back Glover Quin (27) and Detroit Lions defensive back DeShawn Shead (26) defend against Oakland Raiders wide receiver Jordy Nelson (82) during an NFL preseason game on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders nose tackle P.J. Hall (92) sacks Detroit Lions quarterback Matt Cassel (8) during an NFL preseason game on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders nose tackle P.J. Hall (92) celebrates his sack during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Detroit Lions defensive back Glover Quin (27) tackles Oakland Raiders wide receiver Johnny Holton (16) during an NFL preseason game on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders quarterback Connor Cook (18) throws during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders tight end Paul Butler (84) catches the ball over Detroit Lions defensive back Rolan Milligan (41) during an NFL preseason game on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Detroit Lions head coach Matt Patricia and Oakland Raiders head coach Jon Gruden after an NFL preseason game on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders running back Marshawn Lynch (24) during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Detroit Lions running back Ameer Abdullah (21) dives for the endzone during an NFL preseason game against the Oakland Raiders on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Detroit Lions running back Kerryon Johnson (33) runs during an NFL preseason game against the Oakland Raiders on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Detroit Lions running back Kerryon Johnson (33) leaps during an NFL preseason game against the Oakland Raiders on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)

Oakland Raiders defensive end Fadol Brown (95) celebrates during an NFL preseason game against the Detroit Lions on Friday, Aug. 10, 2018 in Oakland, Calif. (Ric Tapia/NFL)