After Leroy Sane's Manchester City deal, how have other wonder kids performed?

Leroy Sane

Leroy's Sane move to Manchester City is similar to many in recent history, but how successful have young guns been after multi-million pound moves?

Germany's Leroy Sane before the gameGermany's Leroy Sane before the game

Manchester City have confirmed a move from Schalke winger Leroy Sane, after weeks of negotiations.

After being left out of the German club's tour of Austria, it was widely reported the deal would be concluded. And after it was announced via the club's Twitter account that the 20-year-old was in Manchester on Monday, it was only a matter of time before an official announcement was made.

The fee being reported in Manchester Evening News is £37 million, a staggering amount for a player who has played regular first-team football for just one year. However, it has been quite some year.

Establishing himself in the starting 11, Sane made 42 appearances across all competitions scoring nine goals. In the league he was Shalke's most prolific midfielder, playing a part in 14 goals with eight goals and six assists.

And in a similar manner to Dele Alli, Sane made his international Under-21 debut in September, before making his full debut against France in November last year.

In today's climate, the fee represents the potential that the skillful winger carries. And with many clubs now being forced to shell out for promising prospects in the hope they are purchasing an asset for the future, just how successful have some of these deals been?

Sergio Aguero (Independiente to Atletico Madrid, £15 million)

Manchester City's Sergio Aguero in actionManchester City's Sergio Aguero in action

Three days before turning 19, the Argentina U20 World Cup winner became Atleti's record signing after scoring 18 league goals in his breakthrough season. Won the Intertoto Cup, Europa League and UEFA Super Cup whilst playing at Vicente Calderon Stadium and established himself as one of the world's very best strikers as he scored 101 goals in 234 appearances in a five-year stay. Joined Manchester City for £38 million in 2011, where his goal-scoring prowess has continued, with 102 Premier League goals in 150 games.

Sergio Ramos (Sevilla to Real Madrid, £19 million)

Not many would remember that Spain captain Ramos started his career in the southern city. After one full season, the Galacticos made him the country's most expensive ever teenager. Though the eccentric defender may have his critics, he is arguably Real's best signing of the modern-era with 58 goals in 478 appearances. Still only 30, he could well add to his three La Liga titles, two Champions Leagues and two Copa del Reys. Earned his reputation as one of the very best, being voted La Liga Defender of the Year from 2012-2015 and Man of the Match in the latest Champions League final.

Anderson (Porto to Manchester United, £22 million)

Scoring a free-kick on his Gremio debut aged 16, it was not long before Europe's elite would be making moves for the midfielder. Porto first nabbed him whilst he was 17, and despite an injury-hit 18 months at Estadio de Dragao, Sir Alex Ferguson pushed through the player's signing. His finest campaign with the Red Devils was in his debut season, but after that he failed two make 20 league appearances in a season. Won four Premier Leagues as well as the Champions League in 2008. Was shipped out on loan to Fiorentina under David Moyes but made just three starts and now plays his football at Internacional back in Brazil.

Javier Saviola (River Plate to Barcelona, £25 million)

The Catalan giants shelled out a whopping £25 million back in 2001 when they signed 19-year-old Saviola after netting 45 times in 86 appearances for his boyhood club. Despite 60 goals in his first three seasons, he was deemed surplus to requirements by Frank Rijkaard and shipped out on loan to Monaco and then Sevilla. Spent one more season after at Camp Nou before signing for Real Madrid on a free where opportunities were limited. He failed to resurrect his career with moves to Benfica, Malaga, Olympiakos and Verona, before the journeyman ended his career with first club River Plate. A return of 213 goals in 583 career appearances should not be disregarded.

Wayne Rooney (Everton to Manchester United, £26 million)

Manchester United's Wayne RooneyManchester United's Wayne Rooney

17-year-old Wayne Rooney set the world alight scoring a thunderbolt against Arsenal as he ended their 49 game invincible run. A move was inevitable after an impressive outing at Euro 2004 and United seemed the most likely destination. Having to wait to make his debut after recovering from injury, Rooney smashed a hat-trick in the Champions League against Fenerbahce. He has never failed to score double figures and enjoyed his most prolific seasons in 2010 and 2012, netting 34 times. Has won five Premier League titles as well as the 2008 Champions League alongside Anderson. On September 8 2015 he cemented his place in English football history as he broke Sir Bobby Charlton goal-scoring record and currently has 55 goals in 115 caps.

Anthony Martial (Monaco to Manchester United, £36 million)

France's Anthony Martial reacts after the gameFrance's Anthony Martial reacts after the game

Despite having only 11 league goals to his name, Manchester United added another teenage striker to the list when they signed Martial on deadline-day last year in deal that could rise to £58 million depending on add-ons. Many considered the deal to be a major risk. However, after ending the season as the club's top scorer with 17 goals in all competitions, it seems United have hold of a real gem.

Awarded the Golden Boy in 2015, Martial is still just 20-years-old is often touted as the 'next Thierry Henry'. With Zlatan Ibrahimovic joining him in an attack that already features Rooney and fellow prospect Marcus Rashford, United fans will be licking their lips ahead of the new campaign.

Raheem Sterling (Liverpool to Manchester City, £49 million)

Predecessor to Martial's Golden Boy award, Raheem Sterling became the most-expensive Englishman of all time when he signed for the City last summer. After rejecting Liverpool's offer of a new contract, his agent forced a move through claiming "he’s not signing for £700, £800, £900 thousand a week" despite manager Brendan Rodgers stating the club had offered him an "incredible deal".

His City career started well, scoring early in the season before opening his Champions League account and celebrating his first career hat-trick in a Premier League tie against Bournemouth. However, he lost his place in the starting 11 in March and was hugely disappointing at Euro 2016, where his lack of confidence was evident. City fans will be hoping the arrival of Pep Guardiola can reignite the 21-year-old's obvious potential.

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