Alex McFarlane has come out throwing 98-100, including with his sinker. Unfortunately, not a lot of strikes.
I don’t know what leagues it applies, but on the Clearwater broadcast they said the first 3 games of each series will be called robo up, and the second three by umpire. Each team gets unlimited challenges, until they are wrong 3 times. However, they only get 3 sect after the pitch so it seems the call may come to the hitter and not someone watching.