The current way of thinking in sports and in much of the working world is to just “work harder.” A great work ethic is a requirement if you want to be “great” or “the best” at something. With that said, many times this idea of “just work harder” causes diminishing returns in terms of performance and productivity.
The mental game of sport and competition is often even more important than the physical. For example, I know several Crossfit athletes that have tremendous numbers when they are in their own gym on their own time.
One of the most overlooked aspects of fitness, sports, etc. is the relationship between stress and performance. The stress I’m talking about is the stress caused by factors outside of the gym and off of the field.
“Look at trends, not outliers.” The nutrition trend in the professional athletic community is pretty clear. Athletes are eating cleaner and with more precision than ever before. They are eating more REAL food.
Regardless of your current goals or fitness level, take what you can from the training that professionals do. The professionals are usually the ones that employ the most “cutting edge” techniques and devices.