Our fourth installment of Who's Number One (WNO) is going to be by far our best yet. WNO: Gordon Ryan vs Matheus Diniz is shaping up to be not only the biggest event of the year but also one of the biggest events of all-time. So far we have announced five matches:

Gordon Ryan vs Matheus Diniz

Craig Jones vs Roberto Jimenez

Gabi Garcia vs Elisabeth Clay

Dante Leon vs Gilbert Burns

Nicky Ryan vs Tony Ramos

And here we are with yet another crazy matchup to add, with more on the way:

Paulo Miyao vs Geovanny Martinez

Paulo Miyao and 10th Planet star Geovanny Martinez are our sixth match to announce for WNO. The two have met twice already, with Paulo winning both matches by points. This will however be their first meeting under submission only rules.

The match will be 15 minutes long and decided by judges decision should it go the duration. This matchup has big rankings implications in the 66kg division, with several highly ranked athletes about to be removed for inactivity.

Watch WNO: Gordon Ryan vs Matheus Diniz Live On Demand On FloGrappling