This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.CHICAGO — The NFL is celebrating a century with a huge festival in Grant Park Thursday, as the Bears prepare to take on the Packers in Chicago to open the 2019 season. Chicago – Green Bay is the longest running rivalry in the league, with the Packers holding a two game edge of 97 wins to the Bears’ 95, while there has been 6 ties. After a season that ended in heartbreak and a double doink, fans say they’re ready to turn the page to 100. At the free, public NFL Experience Festival in Grant Park Thursday, the crowd was teeming with Bears jerseys honoring the familiar numbers of legends like Walter Payton and Dick Butkus, not to mention original t-shirts that are a bit more creative.