Five months ago, Dr. Death stared at the carpet in a Phoenix hotel room and sighed.
Instead of the familiar hard hat with foot-long spikes, black wig, bulky shoulder pads under a No. 26 Raiders jersey with “Dr. Death” written on the back, Ray Perez wore an untucked white dress shirt and dark slacks.
The superfan with the unmistakable alter ego wore the costume in lobbies of high-priced hotels when NFL owners met, appeared on the cover of Sports Illustrated last fall and became the silver and black-painted face of efforts to keep the Raiders in Oakland.
Perez adjusted his iPad to start a live video stream, took a deep breath, shook his head, wiped away tears. Earlier that...