TIL: In Sumo Wrestling, Yokozuna is the highest rating a Sumo wrestler can have.

No, not this Yokozuna: https://en.wikipedia.org/wiki/Yokozuna_(wrestler), but this one: https://en.wikipedia.org/wiki/Makuuchi#Yokozuna. Maybe this is a well known fact, but I found that out today, and thought I'd share it!