Every Thursday and Saturday in New York City's Meatpacking District, Jets CB Buster Skrine transitions into a fitness instructor at a boutique fitness studio called Kore. It is there, before No. 41 puts his students through 40 minutes of high intensity interval training (HIIT), that he quickly he explains he is raising money for Path Mentorship in order to create avenues of support for children and single mothers in need.

"'I appreciate everybody coming out. My name is Buster Skrine.' And then I tell what the cause is. I never say I'm Buster from the Jets, but I do tell them I play football," he said of his introduction. "More importantly, it's about the families. There's so much going on out there that if people see it more often, maybe they would do something about it. Just being able to put it in their ears, doing it for a good cause and you're legitimately helping somebody, that's what keeps me going."

And then the 5'9", 185-pound Skrine, one of the most sculpted humans you will ever see at 2.7% body fat, gets them going. His four rounds consist of a dynamic workout, kettlebells, plyometric work and core.