One happened in the 90s, the other in the 30s.
Regarding the one that happened in the 30s, here's what a couple of decent players said about this pitcher:
“I don’t think anyone is ever going to throw a ball faster than he does. And his curveball isn’t human.” - Joe DiMaggio
“That was the test. He was the best, and I wanted to be the best, and three days before he pitched I would start thinking (player name), (player name).” - Ted Williams