Just wanted to let you know of a free event called RioHeroes 13. You can check it out tomorrow night at 7PM ET totally free. All you need to register for the event is a valid email address. The event will be live and uncut all the way from Brazil and brought to you by Tough Sports Live.

Three Returning champions and five of Brazil’s toughest fighters will thrown down in an eight man tournament with only one man coming out on top.

RioHeroes President Jason Atkins promises RioHeroes 13 will deliver the best tournament in 2007. The event will feature two of the most anticipated rematches in RioHeroes history. The first fight of the night will feature the most controversial rematch RioHeroes has ever had.

Here are the match ups

• Ivanildo Santos vs Lelarte Azevedo
• Flavio Alvaro vs Ivan Max Iberico Cells
• Paulo Silva vs Udi Lima
• Andre Luis de Oliveira vs Miguel Angel Duran Avad

RioHeroes is a website that features Vale Tudo fighting events live in the heart of Brazil. Live from inside the steel cage the fighters compete without gloves, rounds, or time limits in no-holds barred action. The league prides itself on honor and integrity which is common among all Vale Tudo masters in the sport. For more information about the event and to sign up free click here.