"Everybody has an opinion and you have to respect that," he said. "The beautiful thing about life is you wake up every day, you can prove otherwise. In my career, I've always had those types of challenges and obstacles. That's the beauty about it."
Age isn't a concern for 49ers' Dumervil →
"8-8? No," he said. "We've got a long way to go."
Ravens clear lockers following disappointing 8-8 finish →