Please answer the following question: Jeffrey Thomas Montgomery (born January 7 1962 in Wellston Ohio) is a former Major League Baseball relief pitcher. During a 13-year baseball career he pitched from 19871999 pitching primarily for the Kansas City Royals. Montgomery is also one of the few elite closers in baseball history to have four types of baseball pitches. Most top relievers concentrate on two pitches. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Athlete