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: Oklahoma's Perkins to Miss 3-4 Weeks (AP) AP - Oklahoma cornerback Antonio Perkins will miss three to four weeks with a knee injury, leaving the second-ranked Sooners without one of the best punt returners in the country.

Sports