Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Torre Unsure of Rivera's Availability for Tuesday  NEW YORK (Sports Network) - New York Yankees manager Joe  Torre said Monday he was unsure if closer Mariano Rivera would  be available for Tuesday's opener of the American League  Championship Series against Boston after a tragic accident at  the reliever's home in Panama over the weekend.

Sports