I think ortiz rising up for berto was the peak of his career and he's not mentally strong enough to put himself in that place again.. he had a chip on his shoulder that forced him to get out of character for one night but that was not the real him as much as I hate to say.. it was the disrespect he felt combined with the harsh criticisms that brought the monster out of him but that youthful energy was a one time thing...

That victory earned him a multi million dollar payday against floyd and he doesnt have the same desire anymore.. you give a mentally weak person few millions and he is not hungry no more.