https://www.mlb.com/news/prospect-and-farm-system-survey
Also Jo Adell received votes for "prospect most likely to contribute in 2020" (T4 - 8%), "most overrated prospect" (T4 - 8%), and some votes for "best defensive prospect".
If Adell received some votes for best defensive prospect then it's just more proof how Marsh really is underrated as he's arguably better a better defender than Adell.