>>I'm getting too old for this. Don't even know how to find an answer to a simple question. Tried "sumo wrestler vegetarian" and found zero cases, at least on first two pages. All I get is the scandals, laments over prevalence of Mongolians in the premier league, and articles about the soup, what how when they eat, even recipes. But not a single find on the search term. So, how do I improve my search skills?
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>Maybe because there are not any and the first answer was correct.

Impossible. All those agitators and propagandists and other proponents of vegetarianism made me believe that there must be, as that diet is so much better in every way.