( 4 ) His battle with Renzo Gracie in 1997 ended in a No Contest due to fans rioting .
Another fight between Renzo Gracie and Eugenio Tadeu kept the rivalry going .
( 4 ) Eugenio Tadeu 's battle Renzo Gracie   Gracie in 1997 ended in a No Contest due to fans rioting .
Another fight between Renzo Gracie and Eugenio Tadeu kept the rivalry going .