One AI Tool, One Simple Question, Two Different Answers

On July 3, 2025, I was watching Wimbledon when I noticed that Marin Čilić was scheduled to play in the second round. It turns out that the big-hitting Croatian hadn't hung up his racket yet. (Čilić had upset lefty Jack Draper, the fourth seed.)

I've known for a while that Čilić was on the back nine of his career. (Pardon my mixing of sports metaphors.) How much money, I wondered, had he earned on the court?

Let the Research Begin

Could I ask AI? Of course, but a simple query didn't interest me all that much. Readers of my site and books know how much I like geeking out on data visualizations. #foreshadowing

I'd like my answer to be correct, and I'm still wary of AI hallucinations. I'd feel better if I prompted AI with a trusted source of sports information—in this case, ESPN.