My son, a 2017 catcher, had a first last Friday. He got hit not once but TWICE by the same batter on different ABs. He's probably caught 100+ games in the big diamond by now, maybe far more. Anyhow, HS game, RH batter (maybe was a golfer?) has a long loopy swing and on the final extension nails my son on the back left side of his hockey-style helmet. Right there I'm telling myself THAT is why you where a fully protective helmet. If he was not, I'm pretty sure, best case, he's out of the game.
Next AB, he got hit on the back of the left arm, just above the elbow (thank G-d not on the bone). He yelps in pain. The umpire tells the batter to "knock it off. NOW" The batter, perplexed asks what he's doing wrong. The umpire responds with something like "fix your swing before you really hurt someone. I don't want to see that again." I got most of this second-hand.
Thankfully, my son seems fine after the weekend.