The difference between this fight and any other Bones fight is that Bones could not even come close to finishing DC. He gave DC all of his strikes to include knees, elbows, kicks, etc and DC kept going inside to fight and give it back. So striking for JBJ was useless and ineffective against DC. Cormier ate those strikes like candy.
JBJ did however out wrestle DC at his own game. DC was obviously tired at that point having taken all those strikes and continuing to go inside with Jones. Jones did a better job in the wrestling department by stuffing all but one take down and having three of his own.
But to say Cormier is not an elite LHW is silly. DC did what no other LHW was able to do at his size. The only other fighter to drag JBJ into deep waters was Gus but then again, Gus was rocked with elbows and nearly succumbed to JBJ strikes. DC never was even remotely stunned.
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