Who's Number One (WNO) returns for the fifth edition on Friday, December 11th. The main event features a clash between ADCC champs Kaynan Duarte and Rodolfo Vieira, but as always the card is stacked from top to bottom. Here is the previously announced lineup:

Kaynan Duarte vs Rodolfo Vieira

Roberto Jimenez vs Dante Leon

Grace Gundrum vs Mayssa Bastos

All of the matches will of course be no-gi, 15 minutes and under WNO submission only rules. The action kicks off at 8:00 PM CT on Friday, December 11. With those three huge matches already announced, we bring to you the next match on the card, ADCC silver medalist Vagner Rocha vs 10th Planet superstar Jon Blank:

Vagner Rocha vs Jon Blank At WNO!

Second ranked at 77kg, Vagner Rocha makes yet another move into the 88kg division in this match, after a win over Ronaldo Junior and a draw with Xande Ribeiro in his last two matches. Taking on Vagner this time will be Jon Blank, who finished fourth at ADCC 2019 and is currently ranked 7th at 88kg.

Official FloGrappling No-Gi Rankings

Blank trains out of 10th Planet Bethlehem, which has also produced another athlete on this card in Grace Gundrum. Blank recently won by heel hook over No-Gi Worlds champion Manuel Ribamar at F2W, and the match before that did the same to another No-Gi World champion Adam Wardzinski at GrappleFest.

Make sure you tune in on December 11th for WNO: Kaynan vs Rodolfo and stay tuned to out social media for our fifth and final match announcement!

Watch WNO: Kaynan Duarte vs Rodolfo Vieira On Demand On FloGrappling