This might have something to do with it.

The 26-year-old American was in contention to retain his title heading into the final round and, despite playing his front nine in one-over, was still in the mix as high winds wreaked havoc with scoring.

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However, as he made his way down the tenth fairway, DeChambeau was approached by a European Tour official who gave him a warning for slow play. 

Check out the footage here...

According to The Telegraph, he was told that he had clocked a bad time and that one other would result in a penalty, in line with the European Tour's new policy on slow play.

He went on to par that hole but closed with four consecutive bogeys to finish in a tie for
eighth - four shots behind winner, Lucas Herbert.

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Afterwards, DeChambeau declined to speak to the press but, ironically, was praised for his improved pace of play by one of his most outspoken critics - playing partner Eddie Pepperell.