OK I didn't watch it again to make sure, I should have But yeah, that's actually even worse, since 2020 featured 0 conference series.
Edit: I did watch again, he definitely said best start since 2019, so probably misspoke, but nevertheless. Announcers need to have their "best/first [blank] since [blank]" scenarios planned out before the game, I'm pretty sure. Make sure they make sense and are generally more impressive than the previous season where such a scenario was possible, it's just not that interesting.