You had me at sports fan. 😊 The way I learned the rondeau, the title of the poem rather than a piece of the first line is the refrain. It's one of my favorite forms to write. I'm not doubting your source. Just saying there are different interpretations I guess, and besides, you did make the refrain your title. Here's one of mine I wrote almost two years ago that you might enjoy: https://medium.com/illumination/a-fathers-pride-and-joy-6838f4d059e6

Have you ever tried a rondeau redouble? If you haven't and like a challenge, you might try one. https://medium.com/channspirations/embrace-both-comedy-and-tragedy-and-prepare-only-to-be-unprepared-93daa92b072e