I'm not going to claim encyclopedic memory of the before/after, so maybe I'm mistaken. But at least in terms of his sitting velo, I think by 2022 it was several ticks higher than pre-trade. That's consistent with the spike in walk rate, presumably because he couldn't command it. Not that increasing whiff wasn't a worthy or even necessary goal, but I also think there's a universe where Kilian is a more viable big league prospect because they prioritized his fastball command(at the time his carrying trait) and tinkered with his off speeds more in search of that improved swing and miss.