Buy tickets and join the fans at a game at Stade Pierre Rajon. If there's nothing scheduled while you're there, you might like to check if the stadium offers a tour of the grounds.
When you've spent some time at this Bourgoin-Jallieu sporting facility, why not make your way to Isle d'Abeau Golf Club, and Saint-Theudere Church of Saint-Chef? They're close to Stade Pierre Rajon and also popular with travelers.