They come with thanks to the inveterate Chris Dunn for bringing this to my attention. To be more accurate, he brought the third of these to my attention, and when I looked to find out more about the guy, it turned out that he's done a series of others.
These are play-by-play videos by Andrew Cotter about his two dogs, Mable and Olive. It turns out that he is an actual BBC sportscaster, and (as he notes on one of his tweets) he was bored during this coronavirus shutdown without any sports to broadcast.
As far as I can tell, this is the first one --
He follows it with a rematch.
Fun fact, an article about the videos (and this in particular) made note that the voiceover and final line was all done after-the-fact and edited onto the video later, in case people didn’t like what he says at the end….
And finally, this was the video that Chris sent me --