Who’s Number One is a submission grappling event series that started in 2020 and is owned and operated by FloSports. The series conducts events throughout the United States, featuring top-tier male and female grapplers across various weight divisions. WNO is known for its unique rule set, designed exclusively by FloSports to enhance the competition and viewer experience. By 2023, WNO had hosted over 24 events, bringing global attention to renowned grapplers such as Gordon Ryan, Felipe Pena, Nicholas Meregali, Mica Galvao, and has been acclaimed as one of the premier professional submission grappling events globally.

FloSports is a world-class sports media company strategically positioned to be the essential destination for passionate sports fans, delighting them with live event coverage, breaking news, highlights, stats, rankings, and team and player profiles. We are growing Our Sports every day by continuing to invest in our ever-expanding ecosystem, which consists of over a dozen sport verticals and hundreds of streaming partners. FloSports is creating the home for sports like hockey, track & field, racing, grappling, wrestling, cheer and more, and we are looking for innovative and passionate people like you to help us!


FloGrappling Upcoming Events