How Meatball Obsessed Are You? TODAY is NATIONAL MEATBALL DAY and I’m celebrating by grabbing a Firehouse Meatball Sub at firehousesubs - Did you know they have FOUR different MEATBALL SUB options including THE FIREHOUSE MEATBALL SUB, CHICKEN PARMESAN SUB, PEPPERONI PIZZA MEATBALL SUB AND THE SWEET AND SPICY SUB. No matter which meatball sub you are in your heart, you can celebrate #NationalMeatballDay with any medium meatball sub for just $5 at Firehouse Subs when you order through the app or online today March 9! #FirehouseSubs #NationalMeatballDay #FirehouseSubsPartner #FirehouseSubsGift #paidpartnership