... gives one a front row seat to how NFL players take care of themselves and train in the offseason. Over the years, I've observed some workout warriors at the peak of their careers. I also get to observe patterns between those who push themselves in the spring and summer, and those who don't.

In my 20s and 30s, I actually used to work out with a few of my clients. It wasn't always fun running sprints with WR/returner Tim Dwight (embarrassing), but I did like benching with Pats OL Todd Rucci (an ego boost). Now in my 40s, I stick to the 24-hour treadmill and stay far away from the boys.

I noticed that players who limited themselves to their teams' offseason programs had shorter careers and were injured frequently. Those who worked out f...

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