What is the oldest sports league in America that still exists

LeBron James Is the NBA's Oldest Player. He's Still Doing Its Hardest Job. - WSJ

Top Sports Leagues in North America

Sports, Definition, History, Examples, & Facts

National Football League (NFL), History, Teams, & Facts

History of soccer

Pro baseball began in Cincinnati in 1869

TIL that the oldest professional sports team in North America still under the same name is the Toronto Argonauts of the Canadian Football League, founded in 1873 : r/todayilearned

What is the world's oldest professional sports league? - Quora

CHART: the Most Popular Sports League in the World

National Military Basketball Tournament

Professional sports leagues in the United States - Wikipedia

The Oldest NFL Team Still Playing Today – Football Helmet Display Cases – Better Display Cases

What are the oldest clubs in the Premier League? - AS USA

History of sports in the United States - Wikipedia

Most Popular Major American Sports League in Europe and Asia in 2022 (As Per Google Trends) : r/MapPorn