Grab tickets and join the crowds at a game at Angelo Massimino Stadium. If there's nothing happening while you're in the area, you might like to check if they offer a guided tour of the grounds.
This Cibali sporting facility is an interesting place to start your day of sightseeing. There's plenty to see in the area, like Catania Cathedral, Ursino Castle, and Elephant Fountain. Take your time at Angelo Massimino Stadium before making tracks to these other fine sights.