There are still just over three weeks left until the Raiders head to training camp in Napa, California, but that hasn't stopped the players from working hard at their craft in their spare time. We recently showed you Derek Carr having some fun with target practice, and now it's rookie defensive end Mario Edwards, Jr. who is pushing hard to make an impact in his first NFL campaign.
No. 97 has been working with his father, Mario Edwards, a former NFL cornerback for the Dallas Cowboys. Watch:
