Darts commentator Rodd Studd criticised Luke Littler for his 'petulant' behaviour in his match against Alan Soutar.
Littler had a rough start, losing the first two legs to the Scot. However, he managed to make a comeback and was close to tying the scores in the tenth set.
He needed 25 to win but his second dart missed the target and landed on 15. Venting his frustrations, a livid Littler then aimlessly chucked his third and missed the board entirely throwing away the opportunity to bust.
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And the move did not impress Studd, who said: "Tell you what, well, that's petulant.
"Now he's left himself five, with a bit more care and attention he could've bust if that's what he wanted to do, or left himself a double. He's done neither of those things and that was silly.
"We've spent so much time saying he's not playing like a 17-year-old but that was something you'd expect about a 12-year-old to do. He's going to have to get used to criticism if he does things like that.
"It might not matter, it won't matter if he finishes off here, but that was daft from Luke Littler." In the end, it didn't matter as Littler returned to win the leg and subsequently the match by a tight margin of 8-7.
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