So just for my own thinking, I devised a three-tiered system that I’ve never shared with anyone prior to writing this book, categorizing different types of competitors: Coolers, Closers, Cleaners. Good, Great, Unstoppable. You can apply these standards to any group of individuals; just look around your team, your office, your friends, your family.Tim S. GroverThe Author of this QuoteAuthorTim S. GroverCEO of ATTACK Athletics. Trainer to MJ, KOBE, DWADE, Speaker, Bestselling Author of RELENTLESS.