via cdn.fansided.com

Chargers rookie wide receiver, and former Cal Bear,Keenan Allen.

Oh geez kid. You're going to pay for this one in camp that's for sure. He was rocking the Silver and Black hat on a video he posted yesterday on Vine. What were you thinking wearing a rival's gear? We appreciate the support though! We'll see how supportive you are when you have to face the Raiders and fellow rookies Sio Moore and DJ Hayden this season.