![picture of WNO: The Best of Kaynan Duarte, Rodolfo Vieira, Geo Martinez, Kennedy Maciel, and More](https://d2j8xu67u0urrf.cloudfront.net/5fc6895a5f69b.png)
A jiu-jitsu legend returns as Rodolfo Vieira takes on Kaynan Duarte at Who's Number One on December 11.
![Kaynan Wants The Submission vs. Rodolfo](https://d2j8xu67u0urrf.cloudfront.net/5fce802f6829f.png?width=400&quality=80)
Who's Number One Profile: Kaynan Duarte Wants The Submission vs Rodolfo Vieira
Dec 3, 2020
After becoming ADCC champion his first year at black belt, Kaynan Duarte has set his sights on Rodolfo Vieira at Who's Number One on December 11, 2020.