You can literally cut the tension with a knife.
A video has surfaced online showing just how much Brooks Koepka dislikes - actually, scratch that - it shows how much he truly hates his rival Bryson DeChambeau.
The leaked clip was originally from a television interview with the Golf Channel during the recent PGA Championship but has quickly circulated around social media due to the sheer awkwardness of it.
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Speaking with Golf Channel reporter Todd Lewis, Koepka was asked: "The golf course was asking a lot of you today Brooks, what were you able to do well and put up that nice number?"
To which Koepka replied: "Just ball struck my way around this place. Putt well, but I don't think many guys are going to putt well with this wind - it's very tough. I just found it very difficult to read. You know, sometimes..."
But midway through his sentence, Koepka caught sight of something out of the corner of his eye.
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It was his fellow compatriot DeChambeau walking in his direction.
Clearly distracted, Koepka completely lost his train of thought and froze on the spot awkwardly.
Obviously frustrated just by DeChambeau's presence, Koepka then rolled his eyes and let out a loud sigh as his rival walked behind him within shot of the cameras.
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But if you listen to the footage closely, you can actually hear DeChambeau mutter something under his breath along the lines of "just gotta start it on the right line" - clearly in reference to Koepka's putting.
Koepka then tried to regain his composure but simply couldn't manage it.
"Sometimes, ummmm," he continued.
"I f**king lost my train of thought, hearing that bulls**t.
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"F***ing Christ."
Thankfully the Golf Channel wasn't live and as the cameras panned out you could see the awkward look plastered all over reporter Todd Lewis' face.
"We're going to enjoy that at the TV compound," Lewis said.
The two golf stars have had a rather frosty relationship in the past, with both men enjoying taking the odd cheeky dig at each other via social media.
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The friction appears to have stemmed from DeChambeau's rather strange comments where he body shamed Koepka for absolutely no reason at all.
"In Body Issue he didn't even have any abs, I can tell you that," DeChambeau said on a live Twitch stream last year.
"I got some abs."
Koepka perhaps got the last laugh though, posting a picture of his four major trophies on social media, captioning the photo: "You were right Bryson DeChambeau I am 2 short of a 6 pack."
Featured Image Credit: Golf Channel