Raider Nation packs Memorial Stadium in Napa for practice
Raider Nation fills Memorial Stadium in Napa, CA eager to see the 2018 Raiders go to work.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders quarterback Derek Carr (4) signs autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders players and coaches sign autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders cornerback Rashaan Melvin (22) signs autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders defensive tackle Justin Ellis (78) signs autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders wide receiver Martavis Bryant (12) signs autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders head coach Jon Gruden signs autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders wide receiver Amari Cooper (89) signs autographs for fans after practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.

Oakland Raiders fans enjoy the the view of players and coaches on the field for practice at 2018 Training Camp at Memorial Stadium, Saturday, July 28, 2018, in Napa, California.