Robert Mathis, defensive end
Mathis remained one of the most intense leaders on a defense that gained steam at the end of the season. His value has increased over the last couple years as draft pick Jerry Hughes has proved to be a bust. However, he’ll be costly to retain
Chance of return: 60 percent
Jeff Saturday, center
Saturday became the centerpiece of the players’ side of the labor negotiation, helping make sure this season came to fruition. He’s not getting any younger, but he has a chemistry with Manning that makes him valuable even in the twilight of his career.
Chance of return: 50 percent