After Paul Pogba famously set the world transfer fee record at a jaw-dropping €105 million, the question now is who will be next? Spending in soccer won't let up anytime soon, and there is a batch of young talent who could command even higher figures.
To determine who will set the next record, we looked at a few factors, and these are the big ones:
Age - Younger players with long careers ahead are always worth more.
Position - Goal-scorers and attackers tend to get higher asking prices.
Club - There's more money on the table for players who have room to move up to a bigger club because they are at smaller clubs that would be willing to sell.
Here is our ranking, from least likely to our best bets:
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Andrea Belotti, 23, Torino
At 23 years old, the Torino striker has a long career ahead of him. He's got a €100 million release clause in his contract that must be met to move to clubs outside Italy before his contract expires in 2021. He himself has admitted it's a crazy sum of money, but he's got 27 goals across all competitions for Torino. Hurting his case is that he hasn't been able to prove himself on the Champions League stage.
Romelu Lukaku, 24, Everton
He's a big, physical No. 9 who can score goals by the bucket load, which any team could use. He has 26 goals across all competitions for Everton but the lingering question is whether he can lead a team to trophies at the top level. His contract at Everton expires in 2019 and some clubs might be willing to take that bet.
Pierre-Emerick Aubameyang, 27, Borussia Dortmund
He finished the Bundesliga season as the top goal-scorer and he's a speedy, versatile attacking threat who is comfortable scoring goals from a central position or as a winger. What goes against his case is his age: He's 27 and on the higher end of this list. But countering that might be that he seems to get better every season. He's under contract until 2020, but with the stellar season he just had, there may be no better time for Dortmund to cash in.
Mauro Icardi, 24, Internazionale
He's been Inter's leading man, with 26 goals in all competitions this season, and he's only 24 years old. He's a powerful striker who's good with the ball at his feet and a clean finisher. The Argentinian's work rate has improved and it looks like everything is coming together for Icardi. He's on contract with Inter until 2021, but he may need to move elsewhere to truly tap into his full potential.
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Marco Verratti, 24, PSG
PSG's maestro is coming off a good season in Paris and there will surely be clubs eager to sign the world-class midfielder. Though PSG haven't had the best season, Verratti managed to shine and his stock is at an all-time high. A technically proficient playmaker, Verratti is excellent in transition and in dictating play. He's on contract with PSG until 2021 and he's hinted he's not ready to leave, but when he is, there could be plenty of interest in the 24-year-old who has a long career ahead.
Dele Alli, 21 Tottenham Hotspur
He's continually been ranked as the best young player in the Premier League and, at 21 years old, he's probably barely scratched the surface of what he can do. Though he's primarily a central midfielder, he can get into advanced roles and score like a striker, making him a versatile attacking threat. His contract with Tottenham runs through 2022 but we can see Spurs getting some attractive offers for the young star.
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Antoine Griezmann, 26, Atletico Madrid
It'll reportedly take a €100 million bid to meet the release clause in Griezmann's contract that could see him leave Atletico Madrid before his current deal expires in 2021. But he'd probably be worth every penny: He's got 26 goals in all competitions for Atletico Madrid this season and he is a workhorse on both sides of the ball. He's a well-rounded player who figures to make any team better with his attacking versatility, off-the-ball movement, field vision and dedication to defending from the front.
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Harry Kane, 23, Tottenham Hotspur
At just 23 years old, he's the top striker in England and it doesn't even look like he's hit his peak yet. While there's a smaller leap from Tottenham to Europe's other top clubs than there is for many players on this list, Kane's quality and longevity can surely command some generous offers. He's a pretty typical No. 9, who can carry the goal-scoring burden up top and finish his chances, making him a valuable player to build around. His contract expires in 2022, but clubs may be willing to pony up the cash to lure him from Tottenham.
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Paulo Dybala, 23, Juventus
He's both a goal-scorer and a goal-creator, and it appears he is out of challenges in Serie A. With Juventus running away with the league and looking close to a Champions League title, the 23-year-old can make a big move whenever he's ready. Any club would love to have him – he's dynamic, creative and can create special moments with the ball at his feet. It's just a question of who will put up the cash to pull him away from Juve, where he is on contract until 2022.
Kylian Mbappe, 18, Monaco
After Monaco's thrilling and impressive Champions League run to the semifinals, it's pretty clear that the club's leading man, Mbappe, has to be a frontrunner. He's just 18 years old and drawing comparisons to the likes of Neymar and Thierry Henry, for good reason. His runs are top shelf, he possesses great natural athleticism and he's smart at finding space to exploit. He's got 26 goals across all competitions for Monaco, including six in their Champions League run. While he is still developing his game, his potential is huge. The big wild card is how his contract's 2019 expiration date could affect the asking price for the young star.
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Neymar, 25, Barcelona
Neymar is just as good as he is fun to watch – he's technical and flashy, which allows him to take on defenders and offer valuable playmaking. He's a well-rounded attacking threat who can create goals off set pieces and in the run of play, in the air and on the ground. No matter when Neymar leaves Barcelona, where he's on contract until 2021, he will command a massive fee, but the fact that he is already at one of the world's top clubs limits his potential suitors a bit.