Oh, so much to say, so little time. The more I read, the more I want to defend Cash's decision, both in pulling Snell and in using Anderson.
Rather than having me try to quote almost everything in this article, please read it, if you are so inclined. It's a great article, IMO. I'll forewarn you that it's kind of lengthy and it has that dreaded, gory math in it. The last word of the title tells you pretty much what you need to know.
The 2017 World Series, Ken Giles, Reliever Hot and Cold Streaks, and ********