Because, according to him, >90% of what you'll do in the gym isn't necessary. So he offers training programs for a bunch of different goals (speed, strength, v

Because, according to him, >90% of what you'll do in the gym isn't necessary. So he offers training programs for a bunch of different goals (speed, strength, vertical, etc) while citing elite coaches that work with some of the most extraordinary and accomplished athletes for each case.