Early career Vietto was born in the small town of
Balnearia in the
Province of Córdoba. He joined his local team Independiente de Balnearia at the age of seven. At the age of 15, Vietto joined
Argentine Primera División club
Estudiantes, but was released two years later. He subsequently moved to
Racing Club's youth academy, after a failed trial at
Rosario Central.
Racing Club In 2011, Vietto signed his first professional contract, and was called up to the main squad by manager
Diego Simeone on 25 October. He made his professional debut on a day later, coming on as a late
substitute in a 1–1 home draw against
Lanús. Vietto was handed his first start on 3 September 2012, scoring his first professional goals (and his first
hat-trick) in a 3–1 home success over
San Martín de San Juan. He became a regular starter under
Luis Zubeldía and contributed to 13 goals during
the campaign, as his side only finished fifth. Vietto signed a four-year contract extension with Racing on 26 March 2013. Vietto appeared in 35 matches in
2013–14, scoring five times. Highlights included a brace in a 3–1 away win against
Gimansia La Plata on 2 November 2013.
Villarreal teammates in 2015 On 4 August 2014, Vietto signed a five-year deal with
La Liga side
Villarreal CF, for a rumoured
€5.5 million fee. He made his debut for the club on the 21st, coming on as a second-half substitute for
Ikechukwu Uche in a 3–0
Europa League play-off victory over
Astana, before scoring twice in the return leg at home. Vietto made his La Liga debut on 24 August, replacing
Giovani dos Santos for the last 10 minutes of a 2–0 away win against
Valencian rivals
Levante UD. On 21 September he scored his first goals in the competition, netting a brace in a 4–2 home win over
Rayo Vallecano. Vietto added another double on 21 December, in a 3–0 win against the
Deportivo de La Coruña also at the
Estadio El Madrigal. He finished the month with three goals, with his side moving to sixth position, and earning him the honour of
La Liga Player of the Month.
Atlético Madrid On 22 June 2015, Villarreal confirmed Vietto had joined
Atlético Madrid for a fee reported to be in the region of €20 million. Vietto scored his first goal for Atlético on 4 October 2015 as he tapped in a cross from
Jackson Martínez to equalize against archrivals
Real Madrid in a league match that eventually ended 1–1.
Sevilla (loan) On 30 July 2016, Atlético Madrid and
Sevilla reached an agreement for the loan of Vietto with an option to buy.
Valencia (loan) On 4 January 2018, He signed a loan deal with
Valencia for the remainder of the season with an option to buy in the summer. Vietto made his debut against Girona coming on as a sub. In a Copa Del Rey fixture against Las Palmas, Vietto scored his first ever
hat-trick in Spain.
Fulham (loan) On 9 August 2018, Vietto joined English Premier League club Fulham on a season-long loan. He scored his first and only goal for the club against Brighton in 4–2 win at Craven Cottage.
Sporting CP On 14 May 2019, Portuguese club
Sporting CP announced they have reached a deal with
Atlético Madrid for Vietto worth approximately €7.5 million, effective on 1 July 2019. On 23 September 2019, Vietto scored his first goal for Sporting, the opener of an eventual 2–1 defeat against
Famalicão.
Al-Hilal On 25 October 2020, Saudi club
Al Hilal SFC announced they have reached a deal with
Sporting CP for Vietto worth approximately €7 million.
Al-Shabab (loan) On 29 January 2022, Vietto joined city rivals
Al-Shabab on a six-month loan.
Al-Qadsiah On 9 August 2023, Vietto joined
Saudi First Division League club
Al-Qadsiah on a free transfer. ==International career==