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: Sox Ace Heads To Shea BOSTON -- Red Sox pitcher Pedro Martinez will hold a news conference Thursday after he accepted a four-year, multimillion-dollar deal with the New York Mets earlier this week.

Sports