You weren't kidding. Fegan article with ton's of Shirley quotes. Lots of great information inside.
https://theathletic.com/1563110/2020/01/27/we-look-at-the-numbers-every-day-white-sox-tout-technology-usage-in-scouting-player-development/?source=shared-article
For the Benyamaniacs out there, he came in at #9 for BA's top 20 DSL prospects.
https://www.baseballamerica.com/stories/2019-dominican-summer-league-top-20-prospects/