"I know I'm very capable of doing a lot of stuff," said Irvin, who has 29 sacks in five seasons. "If they need me to spy, I'll spy. If they need me to rush, I'll rush. Any way I can help I'll do it."
Oakland's Irvin aids Mack, shows value of free-agent bargain →
"If you want to win in the playoffs, you can't have 20 missed tackles," linebacker Bruce Irvin said. "You can't have missed assignments. You can't have mental errors. That's how you'll be sitting at home next week."
Rookie Cook leads Raiders against Texans in wild-card →