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: Dreaded day comes for Sixers #39; big man Todd MacCulloch was hopeful this day would never come, the day he would have to walk away from his career with the Philadelphia 76ers because of his health.

Sports