Over the course of their careers? Guys with few if any all out balls to the walls fights, like Marciano had against Walcott and Charles, Chavez had against Taylor, Arguello and Pryror... Which fighters seemed to cruise at at the least run into very few serious problems, whether it be because of their talent or lack of great opposition?
Well outside of Walcott 1, Charles 1, and perhaps LarSarza 1, Marciano did relly struggle that much. Ali had more close calls than Marciano in regards to Cooper, Fraizer III, Norton II and III, and Chuck Wepner.
Roy Jones didn't really struggle in any fights until he fought Antonio Tarver,with the exception of the first Griffin fight which I thought Roy was still going to win before getting disqualified. Some will allege Roy cruised through due to a lack of decent opposition but I dispute this as even the good fighters he fought (and there were quite a few) couldn't get much done against him owing to his speed and awkwardness.
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