I've won multiple Super Bowl rings, playing a crucial role on both sides of the ball. I'm known for my intelligence, versatility, and a relentless work ethic, often exceeding expectations despite not being the most physically imposing. I've played for multiple teams, but I'm most associated with a franchise where I achieved significant success. Who am I?

1. Hint 1: I've played both offense and defense at a high level in my career.
2. Hint 2: My playing weight was under 250 pounds.
3. Hint 3: I have a Super Bowl ring as a player and coach.
4. Hint 4: I'm known for my pre-snap reads and adjustments.