Decorated grappler Robert Drysdale is finally making his way to the Octagon. Drysdale is expected to make his promotional debut against Ednaldo Oliveira at UFC 163 on Aug. 3 in Rio de Janeiro. UFC officials confirmed the signing and Drysdale’s Octagon debut that was first reported on Tuesday by the Las Vegas Review-Journal . Drysdale is a world champion in Brazilian Jiu-Jitsu and won the 2007 Abu Dhabi open weight division. He is a grappler that numerous mixed martial artists have worked with to dial in their submission games