Pizza chains offer $3.14 pizza deals for Pi Day

• Pizza Hut offering free large one-topping pizza with purchase of a large menu-priced pizza from March 12-14

• 7-Eleven loyalty members can get any flavor large pizza for $3.14 at 7-Eleven, Speedway and Stripes stores

• BJ's Restaurant & Brewhouse offering mini one-topping pizza for $3.14 for dine-in customers

• Blaze Pizza offering 11-inch pizzas for $3.14 at participating locations

• Taco Bell offering Mexican Pizzas for $3.14