"Honestly, it's crazy because my body feels better now than it did when I first got into the league," Koch said. "Just the amount of time that I've spent on my body and just the workouts and physical therapy and massage and stuff like that I do, it's just crazy. So it keeps my body in shape, and I feel a lot younger. I'm a young 35. It's just a number, but my body feels really good, especially right now. Hopefully, I can keep it that way."