How about this one at the 38 second mark. https://www.youtube.com/watch?v=rBsvuoQMmuo
Not a head shot, but the batter took a few punches to the head after he charged the mound. https://www.youtube.com/watch?v=R3niGu9d_pY
That was Bert Campaneris of the Oakland A’s throwing his bat at Lerrin LaGrow of the Detroit Tigers during Game 2 of the 1972 ALCS.
The pitch was low and inside.
The bat throw was a strike. LOL