Heinie Miller - Henry John Heinie Miller (January 1 1893 June 9 1964) was a professional football player who played in the early years of the National Football League. He played in the NFL for the Buffalo All-Americans and the Milwaukee Badgers. However he also played outside of the NFL for the Union Club of Phoenixville and its later incarnation the Union Athletic Association of Philadelphia. He was also a player-coach for the Frankford Yellow Jackets prior to that team's NFL enrollment in 1926. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Athlete