I don't think that Sullivan's opposition was as good as his successors, but the evidence for this is only speculative. The point is that he can afford them to be worse than the competition of his successors, because he was so much more dominant than his successors. For the last time. The overlap between his period of activity, and those of Jackson and Slavin, is almost non existent. Speaking for myself, it would not have been a big game changer if one of them had lifted the title from his corpes in 1891, instead of Corbett doing it in 1892. I would say that this more reflects your lack of understanding of the era, and how fights were conducted. The way that his fights typically ended, was that the police would intervene when his opponent was dropped multiple times, or taking a beating on the ropes. The referee would then as per prior agreement, award the fight to the man who had the better of it, i.e Sullivan. These were technical knockouts in all but name, but you will not pick up this kind of detail, if you only look at Boxrec. Putting that aside, even somebody like Jack Dempsey would have trouble stopping small defensive fighters, if he was only given four to six rounds to do it in.
It's interesting that after meeting with Sullivan in 1891, Slavin totally accepted that Sullivan had valid reasons for not fighting
We are probably going to have to do a thread about the events surrounding the proposed Jackson and Slavin fights, because the subject merits a thread in its own right. The bottom line is that Sullivan said that he would not fight anybody again for less than $20 000. This was a sum so large by the standards of the day, that many people said that nobody could realistically raise it. In the end Corbett's backer's managed to raise it, and the rest is history. Sullivan might have refused to fight Jackson for $20 000, but I think that he would have fought Slavin if the money had been there.
By the time Jackson rose to prominence Sullivan's prime was past,would it have changed how we view him if a, top of his game, Jackson had defeated him?
Probably not. It would probably have made Jackson into the Jim Corbett figure of history, and Corbett into an also ran, unless of course he picked up the title later. I don't see Sullivan's legacy changing much, if he loses any time after the Killrain fight.
Corbett is hard to evaluate because he had hardly any fights, especially in his prime. Going into his fight with Jackson he was still pretty inexperienced and after he beat Sullivan he could make more not boxing, and didn't really take care of himself. I think he "wasted" his potential, but only in boxing terms, he did pretty well for himself generally.
My hunch is that Jackson was slightly better, but as Corbett himself said, "Sullivan would like Jackson's style better than mine."
Boxrec list three decision fights for Professor William Miller, in one night I found about 15 gloved fight for him prior to his win over Foley, at least half of them primary sources and multiple exhibitions, so a fair bit of stuff is out there, just a bit hard to find. I was rating top tens at year-end for the years 1882-1891 and was finding I was leaving2/3 worthy contenders off, this relates well to other periods. The fact is that from 1882 to 1888 at least, the better fighters happened to be smaller, there were a number of 6 foot, 200 plus pounders, most just not very good, and this trend continued up to nearly 1930. I think the rules, fight duration etc was a factor.
There is some information, but still very incomplete, I won't have nearly as much as you do. There seems to be enough to get an idea of what was going on. But not to convince someone who takes their intentional ignorance as such a badge of honor they have to constanly parade it around and shout it in everyone's face. Atleast not with what I have. There is also the issue that some regions seem to have been better recorded, or atleast people haven't gone through the records of some regions as much. The dynamic of a big champion and the contenders mostly being smaller is pretty standard for other periods so in some ways it makes sense.
A Janitor classic .. Let's have Janitor start a thread about how many of John L. Sullivan's M of Q opponents could defeat specific heavyweight champions .. I figure with his 66,000 posts which essentially means if he posted twice a day it would take him over sixty years to reach the total he has the time. Let's specifically list which of John L. Sullivan's M of Q opponents could have defeated other specific heavyweight champions .. time to back up the jibber.
Why champions, wouldn't contenders be far fairer? And M of Q, so does that exclude Police Gazette rules as well as LPR with gloves? Maybe a few could beat Joe Louis since he didn't fight without the neutral corner rule. And since the Klitchskos have no experience in anything like the old school M of Q fights I suppose they wouldn't stand a chance either.
Jack Johnson in a 1929 interview on Sullivan: " John L. Sullivan is a tradition of the ring but actually he was nothing more than a big, strong, tough, game fellow who knew little or nothing of what we consider boxing today. His losing fight with Corbett was the best illustration of his shortcomings."
His all time heavyweight rankings from 1929 (excluding himself), 1 Bob Fitzsimmons 2 James J. Jeffries 3 Peter Jackson 4 James J Corbett 5 Sam Langford 6 Sam McVey 7 Joe Jennette 8 John L Sulivan 9 Philidelphia Jack O' Brien 10 Tom Sharkey 11 Gene Tunney 12 Jack Dempsey Do you also agree with that?