Raheem Sterling: Scores on Manchester City debut ... cue Twitter meltdown

    Updated 1232 GMT (2032 HKT) July 21, 2015

    One of the biggest talking points centered on a deal that did not go through -- Real Madrid claims it received David De Gea's registration from Manchester United too late to make the Spanish deadline. The goalkeeper was the most talked about individual on deadline day, according to Twitter.
    Photos: Europe's summer signing window
    One of the biggest talking points centered on a deal that did not go through -- Real Madrid claims it received David De Gea's registration from Manchester United too late to make the Spanish deadline. The goalkeeper was the most talked about individual on deadline day, according to Twitter.
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    The most talked about English Premier League deal on Twitter during the European window was Chelsea's capture of winger Pedro from Barcelona for $33.5m. The Spain international arrives off the back of a treble-winning season with the Spanish giants and also boasts a World Cup and European Championship.
    Photos: Europe's summer signing window
    The most talked about English Premier League deal on Twitter during the European window was Chelsea's capture of winger Pedro from Barcelona for $33.5m. The Spain international arrives off the back of a treble-winning season with the Spanish giants and also boasts a World Cup and European Championship.
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    Manchester United splashed a reported $55 million on 19-year-old French forward Anthony Martial, who agreed a four-year deal to leave Monaco ahead of the September 1 British deadline.
    Photos: Europe's summer signing window
    Manchester United splashed a reported $55 million on 19-year-old French forward Anthony Martial, who agreed a four-year deal to leave Monaco ahead of the September 1 British deadline.
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    Manchester City's long-running bid to sign Kevin De Bruyne finally ended after the English club paid Germany's Wolfsburg £55 million ($84.7m) for the highly-rated Belgium midfielder on August 30.
    Photos: Europe's summer signing window
    Manchester City's long-running bid to sign Kevin De Bruyne finally ended after the English club paid Germany's Wolfsburg £55 million ($84.7m) for the highly-rated Belgium midfielder on August 30.
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    Mario Balotelli has joined former club AC Milan on a season-long loan from Liverpool. The striker previously spent 18 months at the San Siro and has returned there after struggling to make an impact with the Reds since signing last summer.
    Photos: Europe's summer signing window
    Mario Balotelli has joined former club AC Milan on a season-long loan from Liverpool. The striker previously spent 18 months at the San Siro and has returned there after struggling to make an impact with the Reds since signing last summer.
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    Juventus has signed Colombia international Juan Cuadrado from Chelsea on loan for the season. Cuadrado only joined the Blues in February from Fiorentina for a reported $35.9 million, but has since been deemed surplus to requirements at Stamford Bridge.
    Photos: Europe's summer signing window
    Juventus has signed Colombia international Juan Cuadrado from Chelsea on loan for the season. Cuadrado only joined the Blues in February from Fiorentina for a reported $35.9 million, but has since been deemed surplus to requirements at Stamford Bridge.
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    Manchester City made Nicolas Otamendi one of the most expensive defenders in history after paying Valencia $50m for his services. The Argentina international -- who was part of the Copa America team that lost out to Chile in the final -- has signed a five-year-deal with the club,
    Photos: Europe's summer signing window
    Manchester City made Nicolas Otamendi one of the most expensive defenders in history after paying Valencia $50m for his services. The Argentina international -- who was part of the Copa America team that lost out to Chile in the final -- has signed a five-year-deal with the club,
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    Aston Villa has secured the signing of 19-year-old winger Adama Traore from Barcelona for $13.3 million. Traore, the English Premier League club's 10th buy this summer, has penned a five-year deal at Villa Park. Barca has inserted a buy-back clause in the deal enabling it to bring Traore back to the Camp Nou.
    Photos: Europe's summer signing window
    Aston Villa has secured the signing of 19-year-old winger Adama Traore from Barcelona for $13.3 million. Traore, the English Premier League club's 10th buy this summer, has penned a five-year deal at Villa Park. Barca has inserted a buy-back clause in the deal enabling it to bring Traore back to the Camp Nou.
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    Manchester City striker Edin Dzeko has joined Roma on a season-long loan deal with a view to a permanent transfer. The 29-year-old scored an impressive 72 goals from just 117 starts for City, but struggled to hold down a regular first-team spot.
    Photos: Europe's summer signing window
    Manchester City striker Edin Dzeko has joined Roma on a season-long loan deal with a view to a permanent transfer. The 29-year-old scored an impressive 72 goals from just 117 starts for City, but struggled to hold down a regular first-team spot.
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    Stoke City has broken its club transfer record to sign Xherdan Shaqiri from Inter Milan for $18.7 million. The Switzerland international, who has inked a five-year contract, spent just seven months at Inter after joining from Bayern Munich in January.
    Photos: Europe's summer signing window
    Stoke City has broken its club transfer record to sign Xherdan Shaqiri from Inter Milan for $18.7 million. The Switzerland international, who has inked a five-year contract, spent just seven months at Inter after joining from Bayern Munich in January.
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    Angel Di Maria has joined Paris Saint-Germain -- just one year after signing for Manchester United for a British record fee. United paid $93.2 million to bring the Argentina international to Old Trafford last summer, but after a frustrating first season he has now moved to the French Ligue 1 champion for a reported $69.2 million.
    Photos: Europe's summer signing window
    Angel Di Maria has joined Paris Saint-Germain -- just one year after signing for Manchester United for a British record fee. United paid $93.2 million to bring the Argentina international to Old Trafford last summer, but after a frustrating first season he has now moved to the French Ligue 1 champion for a reported $69.2 million.
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