Ronnie Lott is about to follow in the footsteps of Mister Rogers, Dr. Seuss and the puppeteer behind Big Bird. To put that in terms the Sesame Street crowd might understand: One of those things is not like the other. As a Hall of Fame football player, Lott wasn’t exactly warm and fuzzy. He was arguably the hardest-hitting defensive back in NFL history. A Dr. Seuss book about his 49ers career might be called “Slam I Am.”