Studying sweat makes for safer training.
Throughout his football-playing days, former Penn State standout Michael Robinson tucked away a number underneath his pads that was different from the one on his jersey. It was his way of preserving the memory of a good friend whose bright future in the game was cut tragically short. “He was actually the No. 3 rated recruit in Virginia coming out of high school,” Robinson recalled. “The day before my senior year in high school [started], he died on the practice field because of dehydration. It’s something that stuck with me throughout my entire career from Penn State to San Francisco