Oh, the verticality!
I love the Arizona Fall League.
I mean, I've never been to Arizona and I've never watched a fall league game on TV, but there's something that the AFL has, that makes it exceptionally relatable, even from a distance, and that's PITCHf/x cameras.
The Arizona Fall League is one of the best, and often times only ways for fans to get a look at the "stuff" of pitchers in their minor league system. Tons of caveats apply -- it's in a small sample, it's at an odd time of the year where pitchers arms might not be in their usual state, the games are essentially meaningless so players may be working on specific things rather than pitching to their current best -- but still, it's an opportunity to see real pitches of minor leaguers on the spreadsheet.