Robert Mathis will retire from the NFL this offseason at the age of 35.

"I want to walk away, not limp away. The rest of my body goes to my kids," Mathis told reporters on Friday.

Mathis, who is a five-time Pro Bowler, had a career-best 19.5 sacks just three years ago at age 32.

"Indy, this is my home. I am a Colt," he said. "I'm here forever. You aren't getting rid of me."