Gabriel Rivera (born April 7 1961 in Crystal City Texas) is a former American college and professional football player who was a defensive tackle in the National Football League (NFL) for a single season in 1983. Rivera played college football for Texas Tech where he earned All-American honors in 1982. Rivera was a first round pick in the 1983 NFL Draft by the Pittsburgh Steelers. 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?
Athlete