Practice Photos: Friday 10.5.18

Oakland Raiders wide receiver Amari Cooper (89) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

A pair of Oakland Raiders gloves and a helmet on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders running back Marshawn Lynch (24) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders tight end Jared Cook (87) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders offensive guard Jon Feliciano (76), offensive tackle Kolton Miller (77), offensive lineman Ian Silberman (67), and offensive guard Gabe Jackson (66) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders running back Doug Martin (28) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders head coach Jon Gruden and quarterback Derek Carr (4) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders punter Johnny Townsend (5) and long snapper Trent Sieg (47) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders punter Johnny Townsend (5) and assistant head coach and special teams coordinator Rich Bisaccia on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders cornerback Leon Hall (29) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders wide receiver Seth Roberts (10) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders wide receiver Martavis Bryant (12) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders wide receiver Saeed Blacknall (80) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive tackle Clinton McDonald (97) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive tackle Jonathan Hankins (90) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive tackle Frostee Rucker (98) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders tight end Jared Cook (87), wide receiver Martavis Bryant (12), and safety Marcus Gilchrist (31) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive tackle PJ Hall (92) and defensive tackle Maurice Hurst (73) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders offensive tackle Kolton Miller (77) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders linebacker Shilique Calhoun (91) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders center Rodney Hudson (61) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders safety Reggie Nelson (27) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders safety Erik Harris (25) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders cornerback Daryl Worley (20) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders punter Johnny Townsend (5), kicker Matt McCrane (3), and long snapper Trent Sieg (47) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders long snapper Trent Sieg (47), assistant head coach and special teams coordinator Rich Bisaccia, punter Johnny Townsend (5), and kicker Matt McCrane (3) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders tight end Jared Cook (87), tight end Lee Smith (86), and tight end Derek Carrier (85) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders linebacker Emmanuel Lamur (54) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders running back DeAndré Washington (33) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders linebacker Marquel Lee (55), linebacker Emmanuel Lamur (54), linebacker Tahir Whitehead (59), linebackers coach David Lippincott, and linebacker Derrick Johnson (56) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders running back Marshawn Lynch (24) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive coordinator Paul Guenther on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders wide receiver Amari Cooper (89) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive lineman Tank Carradine (96) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders quarterback Derek Carr (4) and running back Marshawn Lynch (24) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders defensive end Bruce Irvin (51) and tackle Justin Murray (71) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders quarterback AJ McCarron (2) and running back DeAndré Washington (33) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders players and coaches on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders players and coaches on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.

Oakland Raiders offensive tackle Kolton Miller (77) and offensive tackle Brandon Parker (75) on the field for practice at the Oakland Raiders Practice Facility, Friday, October 5, 2018, in Alameda, California.