Luke Littler showed a completely different side to him after suffering a defeat to Gerwyn Price.
The 17-year-old was involved in night three of the Premier League darts, taking to the oche at the OVO Hydro in Glasgow.
But Littler could only make it to the quarter-finals, where he was eliminated by former world champion Price.
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The Warrington teen has been playing plenty of games this week, including producing an incredible nine-darter at the Players Championship, but lost 6-5 to Price in a thriller.
It was the first time Price had beaten Littler and he secured the victory after a 13-dart hold.
The darts wonderkid is normally so cool and calm win or lose but there was a rare outburst in his match against Price.
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He had the chance to book his place in the semi-final but failed to check-out, allowing Price to swoop in and win.
Littler was furious with his miss and appeared to punch himself while also shouting "F*** off!" in frustration.
After Price threw the winning dart, Littler was then seen muttering to himself and shaking his head as he packed his darts away.
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Price took on reigning world champion Luke Humphries in the semi-final and lost 6-3.
But 'Cool Hand Luke' was unable to go all the way as he was defeated 6-5 in the final by Michael van Gerwen.
Since his run to the World Darts Championship final which bagged him a £200,000 prize, Littler has won the Bahrain Masters and Players Championship on his debut.
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And he's so impressive that darts legend and 16-time world champion Phil 'The Power' Taylor, is now watching and enjoying the sport again because of Littler.
"I wasn't really watching darts, I wasn't really interested in it and he's made me interested in watching it again," he told talkSPORT.
"I even watched some of the streaming yesterday [Players Championship 2 on Tuesday] so that's not me! But I've really enjoyed watching him.
"He's a great little player, he's got a great little personality and it hasn't affected him yet. I don't think it ever will. I think he will keep his feet on the ground no matter how many tournaments he achieves."
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However, Taylor has said he doesn't want to play Littler anytime soon - unless it is an exhibition with one leg of 301.
Topics: Luke Littler, Darts
Josh Lawless