IBTimes UK looks at other high-profile transfer deals that did not go quite according to plan.
The 27-year-old becomes the club's third summer signing following Fabian Delph and Raheem Sterling.
Wolfsburg midfielder commits his future to the Bundesliga club – before a dramatic U-turn.
Goals by Sergio Aguero, Vincent Kompany and Fernandinho were the least City deserved for a dominant display.
Five-time league champion Graeme Souness says Terry's removal was not tactical.
Chelsea boss defends his team after a less than impressive second match of the new Premiership season.
IBTimes UK brings you live coverage of the meeting between last season's top two.
Manchester City will move in for Pedro Rodriguez if they fail to sign Kevin de Bruyne.
Jose Mourinho will also be without the services of Thibaut Courtois following his red card against Swansea.
Argentine hitman started on the bench for City's game against West Bromwich Albion.
Mundo Deportivo says both Manchester sides are now on the player's trail.
Spanish winger would be a wonderful addition but would not fill the gap left by Angel di Maria.
The Spaniard says Liverpool young squad can achieve big things.
Pedro will be a major success in the Premier League, according to Fernando Torres.
Manchester City have stepped up their interest in Valencia defender Nicolas Otamendi.
Edin Dzeko has set his sights on winning titles with AS Roma.
Courtois was sent off during Swansea game after he brought down Bafetimbi Gomis.
The appeal will be heard by the Football Association on 11 August.
Mauricio Pochettino is desperate to add more quality to his attack to challenge for a place in the top four.
Manchester City enter race with Manchester United to sign Pedro Rodriguez.
Spaniard is expected to replace Brazil star in Tuesday's European Super Cup clash.
West Brom take on Manchester City in the Premier League on 10 August. Find out where to watch the game live in the UK.