This is the plan the city presented for the site in 1985. But the city said the financing would only work is if it was a multi-purpose stadium for the Sox and Bears. The Sox tentatively agreed to it, even though they preferred a baseball-only stadium. But the Bears didn't like the financial arrangements, so the plan fell apart.
https://www.chicagotribune.com/news/ct-xpm-1986-06-16-8602120949-story.html