Guillermo Diaz (born March 4 1985) is a Puerto Rican professional basketball player. Diaz was drafted by the Los Angeles Clippers of the NBA in 2006 becoming the fifth Puerto Rican ever drafted by the NBA and the eighth to play there. Diaz has also played professionally in Europe and in Puerto Rico. 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