In 1989, Rogers Centre changed stadium design forever. The world’s first stadium with a fully retractable roof — long before this technology became standard. Today, many stadiums follow this idea… but Toronto did it first. What do you think — visionary or overengineered? Follow us @sportsrender 📷 Michael Nguyen 📷 Toronto Blue Jays 📷 rage2amg 📷 A Al-Den #football #stadium #estadio #architecture #engineering | SportsRender

Seven Major League Baseball teams have stadiums with retractable or moveable roofs. One of them is right here in Wisconsin. American Family Field, formerly Miller Park, opened in 2001. The ballpark’s most distinctive feature is its moveable roof, which is made up of 12,000 tons of steel. The fan-shaped roof has seven panels, five of which are movable. The roof, which is 200 feet above the field, “spans approximately 600 feet from home plate to the outfield track beam,” according to the Brewers w