Italian Ragu with Meatballs and Sausage

Name: Italian Ragu with Meatballs and Sausage
Ingredients: 1/2 cup extra-virgin olive oil; 1 medium onion, finely diced; 2 cloves garlic, peeled, left whole; 2 quarts San Marzano plum tomatoes, peeled and passed through a food mill or processor; Salt and freshly ground black pepper; 12 to 15 fresh basil leaves; 1 pound ground beef; 1 pound ground veal (or ground pork may also be added); Several pieces of day old bread, crust removed, about 3 slices; 1/4 cup milk; 2 whole eggs; 1 tablespoon finely chopped garlic; 1/4 cup chopped Italian parsley leaves; 1/3 cup grated Parmesan; Salt and pepper; Rigatoni, cooked; 2 pounds Italian pork sausage with fennel seeds