WATCH: Incredible Boca Juniors fans fill stadium for just a training session

What an atmosphere

Do you think your team creates a good atmosphere in the stadium? Well, we’re not going to necessarily argue with you, but the odds are they probably aren’t as good as Boca Juniors. The Argentinian club opened the doors to La Bombonera for a training session, ahead of Saturday's second leg of Superclasico Copa Libertadores final against arch-rivals River Plate. And nearly 50,000 Boca fanatics turned up. https://twitter.com/RorySmith/status/1065731263473086465 That's not even for a friendly - just for a training session. https://twitter.com/RorySmith/status/1065729785031258112 The first leg of the Copa Libertadores final finished 2-2, with Boca coming from behind twice to draw the tie at the La Bombonera last weekend. This weekend's second leg takes place at River Plate's El Monumental stadium. The rivalry between the two Buenos Aires sides is one of the fiercest in world football, and the ties between them are usually dubbed the 'Superclásico'. So the two of them meeting in the final of South America's main club competition is getting passions flowing.