The growing tensions have seen him develop into increasingly outspoken about Barcelona and their practices, with speak of his departure coming on the back of the latest blow-up. Agüero won many plaudits for his man of the match display in opposition to Barcelona in March 2008, scoring twice, aiding a objective and winning a penalty for Atlético in a 4-2 win. Throughout the first-leg of a Europa League round of 32 match in opposition to Porto, Agüero entered the sector in the 78th minute for Mario Balotelli and scored the match-successful aim, and his first Europa League goal for Manchester Metropolis, in the 85th minute. He started taking part in for the facet, changing into the youngest player to debut in the first division at 15 years and 35 days (on 5 July 2003 in opposition to Club Atlético San Lorenzo de Almagro), when Independiente’s coach, Oscar Ruggeri despatched Agüero onto the sphere as an alternative for Emanuel Rivas in the 69th minute of the match.
In May 2006, Agüero joined Spanish membership Atlético Madrid for a price reported to be round €20 million, breaking the membership’s previous switch document. His first purpose within the 6-1 away win in opposition to Norwich additionally won him the club’s Objective of the Season award. He ended his first season in Madrid with seven goals in all competitions, eased into European football by supervisor Javier Aguirre, who opted to convey him in and out of the road-up as Atlético finished seventh, enough to qualify for the UEFA Intertoto Cup. On 11 April, Agüero scored two goals for himself and in addition arrange another two objectives (for David Silva and Carlos Tevez) in a 4-0 residence victory against West Bromwich Albion. After the international break, Madrid lost a home game to Cádiz 0-1 on 17 October. Three days later, Madrid suffered their third league defeat of the season, shedding 0-1 away to Mallorca. Following the departure of strike accomplice Fernando Torres to Liverpool within the summer time of 2007, Agüero secured his starting spot for the Rojiblancos and soon became arguably the group’s most essential player on the age of simply 19. In the 2007-08 season, he finished third highest scorer in La Liga, behind Dani Güiza and Luís Fabiano, with 19 goals, and was runner up within the Trofeo Alfredo Di Stéfano award.
Purpose by Saúl secured the pass of Atlético to the Champions League semi-finals after drawing over Leicester City 1-1 (2-1 on aggregate). Despite that, QPR nonetheless went forward 2-1 against City, while United were 1-zero up towards Sunderland. The Reds went down within the 5th minute after a costly Dejan Lovren mistake allowed Wissam Ben Yedder to tap Sevilla ahead. Five straight wins helped City wipe out an eight-level deficit towards Manchester United and so they went into the final day’s fixtures leading on objective difference. His next purpose came in a 5-1 home win against Norwich City, opening the scoring in the 32nd minute, giving him his 13th aim of the season and sustaining the staff’s 100% league report at home. He was given the number 16 shirt for his first season at City and, as he did in Atlético, wore the name “Kun Agüero” on his shirt. The reactable is, in fact, a multi-person instrument — a certain number of individuals stand around the object and, utilizing their fingers, create sound by manipulating the blocks. The game ended 2-1, and, in the second-leg, Agüero scored inside 19 seconds in a 4-0 win on 22 February.