Preheat oven to 425°. Place meatballs in a food processor; pulse until finely chopped. Transfer to a large bowl; stir in cheeses and Italian seasoning., Spread about 1/4 cup meatball mixture down center of each tortilla. Roll up tightly. Place in a greased 15x10x1-in. baking pan, seam side down; spritz with cooking spray., Bake until golden brown, 16-20 minutes. Serve with marinara sauce.