Panthers potential main deep threat Philly Brown has developed both physically and mentally this offseason. He has worked hard to pack on five pounds of muscle and still manage to increase his speed as well. Not only that, but he has also improved as a receiver. Star tight end Greg Olsen had high praise of Brown. "Last year at this time, Corey (Philly) was a guy where we said, 'Wow, he's fast.' This year he is a receiver," Olsen said. "The guy can play. He's not just a one-trick pony, a guy who is just going to run deep.