ALEXANDRIA, Va.—Sheetz is offering reward members a six-inch meatball sub for 99 cents on March 9, which is National Meatball Day, and March 10.

The offer is only available to Rewardz members who order through the app and enter the code MEATBALLZ.

Potbelly is also celebrating National Meatball Day by offering its rewards members three LTO meatball sandwiches:

• Sicilian: An Italian sandwich plus meatballs, mushrooms, marinara and provolone cheese.
• Wrecking Ball: A Wreck sandwich plus meatballs, marinara and provolone cheese.
• Fireball: meatballs, chili, cheddar cheese and Potbelly’s signature hot peppers.

In October, NACS Daily covered how the lines between c-stores and QSRs are blurring.