Here are some HOFers who trained in Hot Springs:
https://hotspringsbaseballtrail.com/learn-more/
Here is a list of MLB teams who used Hot Springs for Spring training:
http://arkbaseball.com/tiki-index.ph...prings+by+Year
A wild guess would be Edd Roush when he played for the Giants but his spring training consisted of hunting and he’s not on the list of players.