Lamine Yamal will play no part in Barcelona's Champions League tie against Newcastle tonight.
The Spain international hasn't made the trip to Tyneside in a big blow to Barca boss Hansi Flick.
Yamal played for Spain during the most recent international break
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Yamal played for Spain during the most recent international breakCredit: AFP
Flick made the decision to leave him at home on Wednesday before the squad flew to Newcastle as the Champions League returns to Tyneside.
It's a boost for Eddie Howe's men, who are without Yoane Wissa and Jacob Ramsey, but other than that, have a full squad to choose from.
Meanwhile, Yamal will have to watch his teammates from afar as Barcelona look to go one further than the semi-finals this year.
Why is Yamal not playing for Barcelona?
The 18-year-old wasn't selected as part of Barcelona's squad for the Newcastle match after suffering from pain in his pubic bone.
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Flick revealed at the weekend ahead of Barca's 6-0 win over Valencia that he wasn't happy with how many minutes the winger played for Spain.
Yamal racked up 79 minutes against Bulgaria and 73 in a match versus Turkey during the recent international break.
La Roja won 3-0 and 6-0, with Yamal grabbing three assists over the two games.
But due to the pain, he barely trained, and Flick was left questioning the decision.
He said: "Lamine will not be available [against Valencia] - it's a pity.
Flick was left furious with Spain's use of Yamal
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Flick was left furious with Spain's use of YamalCredit: Europa Press via Getty
"He played with the national team despite pain.
"He had problems, played 79 and 73 minutes, and didn't even train between matches because of this pain. That is not really taking care of the players, is it? It is not.
"Spain, they have the best team in the world, best players in the world. In every position they are unbelievably good.
"So, maybe they will also want to take care of our players, our young players, but it's like they are doing this [to them]. This is what I can say and I'm really sad about this."
As of now, it is unclear when Yamal will return for Barcelona but the teenager has enjoyed a strong start to the season.
In three LaLiga games, he has three goals and two assists, so his absence is a blow for the Spanish giants and a huge boost for the Toon.
Newcastle are back in the Champions League after a season's absence and have been handed an iconic tie to get things going.
For Eddie Howe, it is a big boost, though Barcelona still have plenty of world-class players
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For Eddie Howe, it is a big boost, though Barcelona still have plenty of world-class players
Marcus Rashford jokes with Lamine Yamal before netting first Barcelona goal
How to follow Newcastle vs Barcelona
This Champions League League Phase game will take place on Thursday, September 18 and kick-off at St James' Park will be at 8pm.
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talkSPORT will have live coverage from Tyneside, with Natalie Sawyer, Jim Proudfoot and former Watford captain Troy Deeney.
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The game will also be shown on TNT Sports 1.