From Golf.com…..
Validation. All of the math. All of the science. All of the adjusting. All of the work. First, to his game in all various shapes and sizes. The driver. The single-length irons. The putter. The Trackman studying.
Then to his body. In one shape and one size. Bigger. Forty pounds over the course of a year, all in the pursuit of power.
It was worth it.