This week, launch a new 7-day series based on the book Tiger Woods: Celebrating 25 Years on the PGA Tour by the editors of Sports Illustrated. Sometimes, we all roll our eyes when we hear about the mental game. But in today’s story from Rick Reilly, we’ll trace the impact that attitude, affirmations, and a positive mindset had on Tiger’s development as a player. Reilly takes us back to 1981 when Tiger was six-years-old…