|Full name||Federico Andrés Mancuello|
|Date of birth||26 March 1989|
|Place of birth||Reconquista, Argentina|
|Height||1.77 m (5 ft 9 1⁄2 in)|
|Playing position||Box-to-box midfielder|
|2011–2012||→ Belgrano (loan)||21||(1)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 8 March 2017.
Mancuello started his career at Independiente and had a brief loan at Belgrano during 2011–12 season. He moved to Flamengo at the beginning of the 2016 season. He also represented Argentina on two occasions scoring one goal.
Mancuello made his league debut for Independiente in a 1–2 home defeat by Arsenal de Sarandí on 14 December 2008. He scored his first goal for the club im a 5–1 away defeat to Lanús on 5 April 2009. He scored again on 11 April in a 2–1 win over Huracán.
Loan to Belgrano
After not being considered by Independiente's coach Antonio Mohamed in July 2011 Mancuello was loaned to Club Atlético Belgrano for one year. On 26 October he scored his first and only goal in a 1–0 victory against Tigre. In January 2012 Mancuello suffered an injury in a match of the Copa Argentina which kept him out of the fields for several weeks when he was being a key player of his team.
Return to Independiente
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On January 6, 2016 Mancuello was signed by Brazilian club Flamengo for a fee of R$12 million. On the first half of the season Mancuello didn't perform as expected due to some injuries, playing all of his 12 matches as a starter and scoring 3 goals. As the 2016 Série A started he lost his status of starter, but stablished himself as of the most important substitutes of the team.
On 6 August 2016 Mancuello scored his first Série A goal in a 1-0 win against Atlético Paranaense in Kléber Andrade Stadium, the game-winner goal was scored in a beautiful back heel flick. On 28 August 2016, against Chapecoense, he substituted Éverton on the 62nd minute and scored his second Série A in the injury time, Flamengo won the match 3-1 at Arena Condá.
On March 20, 2015 Mancuello was called up by Argentine coach Gerardo Martino for the friendly matches against El Salvador on March 28 and Ecuador on March 31, 2015. He made his debut against El Salvador at Fedex Field, replacing Ángel Di María in the second half and scoring a debut goal from a free kick at the end of the match. In May he was selected for the preliminary squad for the 2015 Copa América but he wasn't considered for the definitive draft.
- As of 8 March 2017.
|2013–14||Primera B Nacional||37||2||2||0||–||–||39||2|
|1.||28 March 2015||Fedex Field, Landover, Maryland, USA||El Salvador||2–0||1||Win||Friendly|||
|2.||31 March 2015||Met Life Stadium, East Rutherford, New Jersey, USA||Ecuador||2–1||0||Win||Friendly|||
- "Mancuello, de Diablo a Pirata" at Diario Olé. 18 July 2011 (Spanish)
- "Con el agua al Mancuello" at Diario Olé. 26 October 2011 (Spanish)
- "La Mancuello viene torcida" at Diario Olé. 26 January 2012 (Spanish)
- "Mancuello chega ao Rio e já veste a camisa do Flamengo". O Globo. 8 January 2016. Retrieved 16 September 2016.
- "Flamengo vence o Atlético-PR com letra de Mancuello e dorme na liderança". globoesporte.com. 6 August 2016. Retrieved 16 September 2016.
- "Damião e Diego voltam a marcar, e Flamengo assume vice-liderança". globoesporte.com. 28 August 2016. Retrieved 16 September 2016.
- "Fiera, Mancu y Melli" at Diario Olé. 17 March 2015 (Spanish)
- "Argentina, without Messi, beats El Salvador 2–0" at The Washington Post. 29 March 2015
- "Mancuello sorprende en su debut con un golazo de falta" at Diario Marca. 29 March 2015 (Spanish)
- "Martino anunció los 30 preseleccionados". AFA. 11 May 2015. Retrieved 27 May 2015.
- "Gerardo Martino confirmó la lista de 23 convocados y mantuvo a Casco para la Copa América". La Nación. 27 May 2015. Retrieved 27 May 2015.
- "Argentina venció 2-1 a Ecuador en el cierre de la minigira en Estados Unidos". eluniverso.com. 31 March 2015. Retrieved 16 September 2016.