Last update on.Aguero and Lukaku scored twice in their debuts for Manchester City and Manchester United.The Euros and, to a lesser extent, the Olympics have dominated the footballing summer. However, the transfer window has managed a lot of attention.Premier League clubs are certainly busy.Manchester City spent a British record 100m on Jack Grealish, while Manchester United made their intentions clear with the 73m acquisition of Jadon Sancho. He will be joined at Old Trafford, barring any last-minute breakdowns, by Raphael Varane.It is not unusual for marquee arrivals to be in the spotlight from the beginning. United's opener against Leeds will see Sancho keen to make an immediate impact, while Grealish will try to create fireworks when City travels to Tottenham the next day.BBC Sport examines the debuts of expensive new recruits this weekend.Romelu Lukaku (Manchester United, 4-0 West Ham 13 August 2017).Lukaku signed from Everton for an initial $75m. He made his official arrival at Old Trafford with two goals. This energetic display helped Jose Mourinho's United win an easy opening-day victory over the Hammers.Nemanja Matic from Chelsea was also a 40m signing, but it was Lukaku that dominated Monday's backpages.The Belgian scored 27 goals in his debut United campaign. If his proposed move to Chelsea, which is expected to cost 97.5 million, the 28-year old could be back in England in this season's football season.Sergio Aguero (Manchester City 4 - Swansea City 15 August 2011).Aguero is quicker to settle than some new faces.After being substituted against Swansea in the 59th minute, Atletico Madrid's Argentine striker took just nine minutes to score his City goal.David Silva was then assisted by a stunning South American, before the South American completed his dream debut with a 30-yard piledriver.Aguero was a Premier League legend, having won five league titles and scored 260 goals.Although he is in Barcelona right now, he will not be making his debut for Catalan giants alongside Lionel Messi. He won't even make his debut for them for 10 more weeks after his latest injury.Aguero's Premier League record for Manchester City Appearances Goals assists Titles Golden boot 257 184 47 5 1Alan Shearer (Crystal Palace 3-3 Blackburn Rovers 15 August 1992).Although Shearer's move of 3.3m from Southampton to Blackburn may seem like a small amount, it was a British record at the time.The England striker, however, proved that he is worth every penny with two goals in a thrilling draw at Selhurst Park with Palace in the Premier League.Shearer finished his first season with 16 league goals. He also hit a remarkable 34 in 43 matches to lift Rovers to the title in 1994. Then, he joined Newcastle one year later.Harry Maguire (Manchester United, 4-0 Chelsea 11 August 2019).It's not easy for a centreback to stand out in an 4-0 win. But Maguire did it on his first appearance as the most expensive defender in the world, as United defeated Chelsea at Old Trafford.Marcus Rashford scored two goals, but England teammate Maguire put on an impressive performance. Maguire seized Tammy Abraham's possession to launch the attack that resulted in Martial scoring United’s fourth goal.Maguire, United's captain now, hopes to forge an impressive defensive partnership with Varane as Ole Gunnar Solskjaer’s side aim at dethroning local rivals City.Anthony Martial (Manchester United 3-1 Liverpool 12 September 2015).Martial's price tag of 36m made him the most expensive teenager in 2015.The Frenchman with pink hair, who was then the most expensive teenager in the world, electrified Old Trafford by scoring a brilliant individual goal to sink Liverpool. He skipped past Martin Skrtel, and then slotted the ball past Simon Mignolet, to send the Stretford End into complete rapture.Debuts are the best for new Manchester United players.Martial scored another 77 goals for United since then, but that is still his most famous goal in English football.Richarlison, Wolves 2-2 Everton 11 August 2018,Some were skeptical about Everton's 35 million purchase of a player with five Premier League goals, but Richarlison scored twice at Wolves in an impressive debut to quell fears.The Brazilian ended the year with 14, 15, and 13 goals in his three seasons at Goodison Park.Rafael Benitez, New Toffees boss, will hope Richarlison breaks the 20-goal barrier after he has recovered from his Olympic exertions.Sadio Mane (Arsenal 3-6 Liverpool, 14 August 2016).After moving from Southampton, Mane immediately made an impact on Jurgen Klopp’s Liverpool team.Mane was the most expensive African player ever, at 34 million.The Senegal forward, however, defied his debut nerves to show the explosive dimension he promised Jurgen Klopp's squad with a stunning solo goal. He made light work of Nacho Montreal and Calum Chambers before scoring a charming left-footed strike into Petr Cech’s top right-hand corner.Mane is now a Premier League and Champions League Winner with Liverpool. He is three goals shy of a century of Reds goals.Tanguy Ndombele, Tottenham 3-1 Aston Villa 10 August 2019Ndombele was Tottenham's record signing, when he signed for 53.8m from Lyon in 2019, a fee that comfortably surpassed the 42m Ajax paid to sign Davinson Sanchez two year earlier.Frenchman, the Frenchman, started his English career with a bang when he hit a cracking equaliser home to ignite Tottenham's comeback victory over Villa.Ndombele was not consistent in his first year with Spurs due to Jose Mourinho's fractious relationship, but he did show enough last season that he is capable of being a force under Nuno Espirito Sante.Fabrizio Ravanelli, Middlesbrough 3-3 Liverpool (17 August 1996)After helping Juventus win the Champions League, Ravanelli joined Middlesbrough in less than two monthsRavanelli, last but not least, was the main act in Middlesbrough’s mid-90s spending spree, which also brought Emerson, Juninho and Branco to Teesside.After winning the Champions League with Juventus, the silver-haired Italian striker made the most dramatic entrance to the Premier League. He scored a hat trick in a 3-3 draw at the Riverside Stadium with Liverpool.Boro reached the League Cup finals and the FA Cup finals with Ravanelli's goals, but Bryan Robson was unable steer Bryan's side out of relegation.He left for Marseille in 1997 to become a professional footballer. Three years later, he returned to Derby County, where he was also relegated.All the latest news about football transfers can be found on this dedicated page.
