The World Series returns to Philadelphia on Tuesday night for Game 3 between the Houston Astros and Phillies, who are tied at one game apiece. In the run-up to the games at Citizen Bank Park, a pair of billboards have gone up on the Schuylkill Expressway and I-95 calling attention to the Astros' notorious 2017 sign-stealing scandal, which many baseball fans feel tainted the team's championship that year.