Rigatoni and Meatballs

Name: Rigatoni and Meatballs
Ingredients: 6 thick slices crusty bread; 12 ounces ground beef; 12 ounces ground pork; 3/4 cup freshly grated Parmesan, plus more for serving; 1/4 cup whole milk; 1/4 cup minced fresh flat-leaf parsley, plus more for serving; 3 cloves garlic, minced; 2 eggs, beaten; 1/4 teaspoon salt; Freshly ground black pepper; 1/2 cup olive oil; 1 yellow onion, diced; 1/2 cup red wine, optional; One 28-ounce can crushed tomatoes; One 28-ounce can whole tomatoes; 1 teaspoon sugar; 1/4 cup minced fresh flat-leaf parsley; 12 fresh basil leaves, cut in chiffonade, optional; 2 pounds rigatoni, cooked al dente