Drain pineapple, reserving 2 tablespoons juice . Combine pineapple chunks, bread cubes, onion , celery, butter, 1/2 teaspoon salt, sage, and cinnamon in a large bowl, mixing well. Set stuffing mixture aside.
Place pork chops in a 13- x 9- x 2-inch baking dish ; sprinkle with reserved pineapple juice and remaining salt. Top pork chops evenly with stuffing mixture. Cover and bake at 350° for 30 minutes. Uncover, and bake an additional 15 minutes or until chops are tender.