Getty ST LOUIS, MISSOURI - MAY 16: Shirtless fans cheer during the game between the Kansas City Royals and the St. Louis Cardinals in the fifth inning at Busch Stadium on May 16, 2026 in St Louis, Missouri. (Photo by Joe Puetz/Getty Images) The St. Louis Cardinals are making waves in baseball media with a new trend that’s sparked at Busch Stadium.    In game one of the I-70 series against the Kansas City Royals , the Redbird fandom spearheaded a ‘tarps off movement’ in the right field bleachers.