Professional football (gridiron) oldest existing professional football club is the Arizona Cardinals, a current member of the National Football League. The Cardinals organization, which was originally based on Racine Street in Chicago, has operated near-continuously since 1913, but counts an earlier team that played from 1898 to 1906 as part of its history. The Watertown Red & Black is the oldest semi-professional club, tracing its history to 1896. While the practice of professional and semi-pro teams playing college and amateur teams was common in the 1890s, the Amateur Athletic Union began pressuring and threatening college teams with the loss of amateur status if
Professional football in Canada Canada; in that series, which ran from 2008 to 2013, the Buffalo Bills played one of their regular season home games in Toronto's Rogers Centre. Professional football in Canada Professional football is one of the most popular sports in Canada. Unlike most countries, but paralleling its counterpart, the United States, the term "football" in Canada refers to the gridiron-based game developed in both countries over the course of the late 19th and early 20th centuries, and not to association football (which is known in Canada as "soccer"). Only one professional football league has a permanent presence in Canada: the Canadian