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Ah, got it. Google calls those "Live Answers", I think. Short answer is: no, it's not structured data. Sports, weather, stock prices, and other highly specialized data comes from private partnerships with Google, generally, and each one is unique (and not particularly publicly discussed). Unfortunately, I don't even know what team at Google handles that or who you might talk to about a partnership. They aren't very transparent about it. In some cases, they list sources, but not for sports (not sure why).