Have you played the game since you moved Windows 10?
The only thing I can think of is that those files might have been lost when you upgraded to windows 10?
Well first have you checked your computers recycle bin?
Also which version of Windows are you running?
I've never seen this issue before but all my games are from steam
It wasn't a bug
2k did this on purpose. It was to prevent people from using one pitch. They wanted to make you mix things up like in real baseball, instead of throwing nothing but fastballs. Only problem is they went way to far.