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Coach Jon Gruden helps a Florida high school football team prepare for their upcoming season. Shot 100% on the HERO3+ camera from


Featured STACKlete: Reagan Rogers

Featured STACKlete: Reagan Rogers

Raised in a small Texas town (population 1,793), Reagan Rogers grew up admiring high school athletes whose work ethic and perseverance earned them college scholarships....

Topics: Volleyball
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George Kalantzis

George Kalantzis

George Kalantzis is a group instructor at Cressey Sports Performance (Hudson, Massachusetts). He has a Master's Degree in Business and a Personal Trainer Certification through the American Council of Exercise (ACE). He learned to love fitness while serving in the Marine Corps, where he took... Read more about George