Pizza restaurant chains tend to push discounts, and National Pepperoni Pizza Day gives them another opportunity to do so. It takes place Friday, Sept. 20. Here are some of the current offerings ...

Strad Pizza offers 20" New York-style pizzas in 4 flavors: cheese, pepperoni, veggie and meat lovers. There are also cheesy garlic truffle knots, cinnamon toast crunch knots and Nutella stuffed knots.

On Sept. 20, pizza lovers will celebrate National Pepperoni Pizza Day and many restaurants are spicing things up with some tantalizing deals. Ready to say TGIF and bite into a little slice of heaven?