Preheat oven to 350 degrees.
Split rolls and place on a foil lined cookie sheet.
Sprinkle with mozzarella cheese, Parmesan and Italian Seasoning.
Heat meatballs and a small amount of spaghetti sauce on the stove until meatballs are hot. (about ten minutes).
Place one meatball on half of each roll and top with more cheese, if desired.