Antonio Brown's first day in Oakland
Exclusive photos of Antonio Brown's first day at Raiders Headquarters in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown arrives at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Head Coach Jon Gruden addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

General Manager Mike Mayock addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.

Wide receiver Antonio Brown addresses the media at the Oakland Raiders Practice Facility in Alameda, Calif.