Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Rickey Henderson - Rickey Nelson Henley Henderson (born December 25 1958) is a retired American baseball outfielder who played in Major League Baseball (MLB) for nine teams from 1979 to 2003 including four stints with his original team the Oakland Athletics. Nicknamed The Man of Steal he is widely regarded as the sport's greatest leadoff hitter and baserunner. He holds the major league records for career stolen bases runs scored unintentional walks and leadoff home runs.
A:
Athlete