Topnoi (6-3) replaces Pimentel’s original opponent Shannon Ross. The Thai has fought three times for Rizin and been the distance every time facing Tadaaki Yamamoto, Kai Asakura and Yusaku Nakamura.
Pimentel (17-9) is from Brazil but is based in Abu Dhabi. The BJJ black belt is coming off a stoppage win at UAE Warriors 10.
Also added to the card is a heavyweight bout pitting Oli Thompson (22-10) against Chris Barnett (20-6). The other addition is a featherweight fight pitting Juares Dea (7-2) against Xavier Alaoui (10-3).
As previously announced Chi Lewis-Parry will defend his heavyweight title at UAE Warriors 13. The undefeated Englishman will face UFC veteran Fabio Maldanado
Also on the card is Korean featherweight Gi Bum Moon. He holds a 2019 win over current UAE Warriors 145lbs champion Do Gyeom Lee and will be looking to earn a rematch with the champion by beating experienced Azerbaijani Agshin Babaev.