Yellowfin Tuna with Grilled Pineapple Salsa

Name: Yellowfin Tuna with Grilled Pineapple Salsa
Ingredients: 1 pineapple, peeled and cut into 1/2-inch-thick rounds; 6 tablespoons olive oil; 1/4 cup finely chopped red onion; 1/4 cup minced red bell pepper; 1/4 cup rice vinegar; 2 jalapenos, seeded and minced; 2 tablespoons freshly squeezed lime juice; 1 tablespoon finely chopped fresh cilantro; 1 1/2 teaspoons minced garlic; 1 1/2 teaspoons salt; Four 6-ounce yellowfin tuna steaks; 1 tablespoon Creole Seasoning; Fresh cilantro sprigs, for garnish