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: Eagles lock up CB Brown with extension The Philadelphia Eagles have taken yet another step in locking up their youngsters for the long term. FOXSports.com has learned that Philly has signed starting cornerback Sheldon Brown to a six-year, \$25 million 

Sports