Take a closer look inside the rankings of the Top 90 wrestlers of all-time, as described in "The WrestleMania Era: The Book of Sports Entertainment." Tangible accolades are a hallmark of any sport or entertainment avenue. The NBA has the Larry O'Brien trophy, the MVP, and the Defensive Player of the Year. Hollywood has the Oscar, the Golden Globe, and the Screen Actors Guild award. Professional wrestling has championship belts. Using a detailed formula, "The Greatest Champions of The WrestleMania Era" shapes the historical context around championship success from Starrcade '83 to Summerslam '15.