Football season is underway and Shake Shack is giving away free chicken sandwiches for the next couple of months to celebrate its return. 

Every Sunday for the next 13 weeks, customers will be able to get a free Chicken Shack sandwich with a qualifying purchase. The company says they are tapping football personalities like former NFL quarterback Ryan Fitzpatrick and ESPN reporter Adam Schefter to help get the word out.

Shake Shack says it will be hosting tailgating pop-ups in select cities to promote the new campaign.

The sandwich features crispy, white-meat chicken breast over lettuce, pickles and buttermilk herb mayo on a toasted potato bun.

Here’s how you can get yourself a free chicken sandwich.

How can I get a Free Shake Shack chicken sandwich?

In order for customers to get their free Chicken Shack sandwich they must place a $10 minimum order via the Shake Shack app or in person at a kiosk.

Then people can use the promo code CHICKENSUNDAY for one free Chicken Shack. The offer will automatically apply when the items are added to the order.

The offer began on Sunday, Sept. 8 and will run all the way to Sunday, Dec. 15.

Fernando Cervantes Jr. is a trending news reporter for USA TODAY. Reach him at [email protected] and follow him on X @fern_cerv_.