Five under-the-radar fights of RIZIN 13

Topnoi Tiger Muay Thai drops Tadaadaki Yamamoto at RIZIN 11. (© RIZIN FF)We are just a few weeks away from arguably the best fight card RIZIN Fighting Federation has put on to date; RIZIN 13.

From top to bottom, the card features some legends and many phenoms, all of which are in an intriguing match-up.

You have your Kyoji Horiguchi vs. Tenshin Nasukawa’s, Mirko Cro Cop vs. Roque Martinez’s, Daron Cruickshank vs. Diego Brandao’s. These are incredible contests on-paper, but they are getting all the attention they deserve. Jiri Prochazka vs. Jake Heun and Ayaka Hamasaki vs. Mina Kurobe also seem to be doing just fine in terms of fan attention.

But considering the card, RIZIN 13, as of now,…