Bryson DeChambeau has ruffled some feathers yet again on the golf course ... this time, the LIV star hit an approach shot so poorly, it drilled one of his fellow competitors right in the back.
The wild scene went down just minutes ago during the first round of the PGA Championship at Oak Hill Country Club in New York ... when Kenny Pigman was standing on the 18th tee box, getting ready to smoke a drive.
You can see in replays from the ESPN broadcast of the tournament, as he was leaning over his ball .