![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.
![Kennedy Predicts Rodolfo vs Kaynan](https://d2j8xu67u0urrf.cloudfront.net/5fc46f4722097.png?width=400&quality=80)
Kennedy Maciel Predicts Rodolfo Vieira vs Kaynan Duarte
Nov 30, 2020
Kennedy Maciel weighs in on the biggest grappling match of the year: Rodolfo vs Kaynan!