Arman Tsarukyan will face Mauricio Ruffy in a 5-round lightweight co-main event at #UFC…

Arman Tsarukyan will face Mauricio Ruffy in a 5-round lightweight co-main event at #UFC331, Dana White announced on Wednesday. The flyweight title rematch between Joshua Van and Alexandre Pantoja will serve as the main event. https://t.co/idUvlvpe0q