Fettuccine with Duck Ragout

Name: Fettuccine with Duck Ragout
Ingredients: 2 Tablespoons extra-virgin olive oil; 6 duck legs; 1 large red onion, finely chopped; 2 carrots, peeled and chopped; 2 stalks celery, chopped; ¼ Pound pancetta, chopped; 1 Cup red wine; ¼ Cup tomato paste; 1 28-ounce can whole Italian tomatoes; 2 bay leaves; 1 Teaspoon fresh thyme leaves; 1 Teaspoon fresh rosemary, chopped; 1 Teaspoon sage, chiffonade; 3 Cups chicken stock; Salt and freshly ground black pepper; Parmigiano-Reggiano, for grating; 6 4.5-ounce servings fettuccine (your favorite recipe or quality dried pasta), cooked