We all know the 125th Big Game is coming up this Saturday at 2:30 p.m. — but what exactly does that entail? Keep reading to find out how to get to Berkeley, where to get discounted tickets for the game and what to do once you’re up at Cal. Buses to Cal For $10, you can get shuttle service to and from the game (and a “special snack,” according to University communications). Shuttles will leave from…