|
Alonso with Paraguay in 2026 | |||
| Personal information | |||
|---|---|---|---|
| Full name | Júnior Osmar Ignacio Alonso Mujica | ||
| Date of birth | 9 February 1993 | ||
| Place of birth | Asunción, Paraguay | ||
| Height | 1.85 m (6 ft 1 in) | ||
| Positions | |||
| Team information | |||
Current team | Atlanta United | ||
| Number | 6 | ||
| Youth career | |||
| 2011–2012 | Cerro Porteño | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2013–2016 | Cerro Porteño | 136 | (11) |
| 2017–2020 | Lille | 46 | (2) |
| 2018 | → Celta (loan) | 9 | (0) |
| 2019–2020 | → Boca Juniors (loan) | 21 | (0) |
| 2020–2021 | Atlético Mineiro | 69 | (2) |
| 2022–2024 | Krasnodar | 41 | (1) |
| 2022 | → Atlético Mineiro (loan) | 32 | (0) |
| 2024–2026 | Atlético Mineiro | 68 | (2) |
| 2026– | Atlanta United | 14 | (0) |
| International career‡ | |||
| 2013 | Paraguay U-20 | 8 | (2) |
| 2013– | Paraguay | 77 | (3) |
|
* Club domestic league appearances and goals as of 12:36, 24 October 2026 (UTC) ‡ National team caps and goals as of 2 October 2026 | |||
Júnior Osmar Ignacio Alonso Mujica (born 9 February 1993) is a Paraguayan professional footballer who plays as a defender or left-back for Major League Soccer club Atlanta United and the Paraguay national team.
Alonso joined French club Lille in a permanent transfer in January 2017. He made his debut for the club on 18 February 2017, coming on as a second-half substitute in a win over SM Caen. He would go on to make 56 appearances for Lille in all competitions before leaving on loan in August 2018.
On 14 August 2018, Alonso was loaned to La Liga's Celta Vigo for one year with an option to make the deal permanent.
On 2 January 2019, he was loaned to Boca Juniors. On 2 May 2019, Alonso was an unused substitute as Boca defeated Rosario Central in the 2018 Supercopa Argentina on penalty-kicks after the match ended 0–0.
On 2 July 2020, Alonso joined Brazilian club Atlético Mineiro on a four-year deal for a €3 million fee. He quickly became a starter on the team, and in 2021 he was champion of 2021 Campeonato Brasileiro Série A and 2021 Copa do Brasil, playing in 51 matches and scoring 1 goal, being captain and a pillar of defense.
On 7 January 2022, Russian club Krasnodar announced that the terms of transfer has been agreed with Atlético Mineiro, and the terms of the 3.5-year contract has been agreed with Alonso. The contract was signed on 12 January 2022. On 3 March 2022, following the Russian invasion of Ukraine, Krasnodar announced that his contract was suspended and he would not train with the team, but the contract was not terminated and remained valid.
On 14 March 2022, Atlético Mineiro announced the return of Alonso on loan until the end of 2022.
On 10 July 2024, Alonso rejoined Atlético Mineiro on a two-and-a-half-year deal.
On 13 July 2026, Alonso joined Major League Soccer club Atlanta United FC through the 2028-29 season.
Alonso is a full international for Paraguay, having made his senior debut for his country in 2013.
In a 2018 FIFA World Cup qualifying match on 23 March 2017, Alonso scored the winning goal, and his first for the national team, in a 2–1 defeat of Ecuador.
On 29 May 2019, Alonso was selected to the final 23-man roster for the 2019 Copa América in Brazil. He would go on to start in all four of Paraguay's matches, playing every single minute, as they lost in the quarter-finals in a penalty shoot-out to hosts and eventual champions Brazil.
On 1 June 2026, he was named by head coach Gustavo Alfaro in Paraguay's 26-man squad for the 2026 FIFA World Cup.
| Club | Season | League | National cup | Continental | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Cerro Porteño | 2013 | APF División de Honor | 31 | 1 | — | 2 | 0 | — | 33 | 1 | ||
| 2014 | APF División de Honor | 30 | 2 | — | 12 | 0 | — | 42 | 2 | |||
| 2015 | APF División de Honor | 43 | 4 | — | 0 | 0 | — | 43 | 4 | |||
| 2016 | APF División de Honor | 32 | 4 | — | 18 | 1 | — | 50 | 5 | |||
| Total | 136 | 11 | — | 32 | 1 | — | 168 | 12 | ||||
| Lille | 2016–17 | Ligue 1 | 12 | 0 | 2 | 0 | — | — | 14 | 0 | ||
| 2017–18 | Ligue 1 | 34 | 2 | 2 | 0 | — | 2 | 1 | 38 | 3 | ||
| Total | 46 | 2 | 4 | 0 | — | 2 | 1 | 52 | 3 | |||
| Celta (loan) | 2018–19 | La Liga | 9 | 0 | 2 | 0 | — | — | 11 | 0 | ||
| Boca Juniors (loan) |
2018–19 | AFA Liga Profesional de Fútbol | 7 | 0 | 2 | 0 | 2 | 0 | 5 | 0 | 16 | 0 |
| 2019–20 | AFA Liga Profesional de Fútbol | 14 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 17 | 0 | |
| Total | 21 | 0 | 2 | 0 | 4 | 0 | 6 | 0 | 33 | 0 | ||
| Atlético Mineiro | 2020 | Série A | 32 | 1 | — | — | 6 | 0 | 38 | 1 | ||
| 2021 | Série A | 22 | 1 | 8 | 0 | 12 | 0 | 9 | 0 | 51 | 1 | |
| Total | 54 | 2 | 8 | 0 | 12 | 0 | 15 | 0 | 89 | 2 | ||
| Krasnodar | 2021–22 | Russian Premier League | 0 | 0 | — | — | — | 0 | 0 | |||
| 2022–23 | Russian Premier League | 12 | 1 | 7 | 0 | — | — | 19 | 1 | |||
| 2023–24 | Russian Premier League | 29 | 0 | 6 | 0 | — | — | 35 | 0 | |||
| Total | 41 | 1 | 13 | 0 | — | — | 54 | 1 | ||||
| Atlético Mineiro (loan) | 2022 | Série A | 31 | 0 | 2 | 0 | 10 | 0 | 1 | 0 | 44 | 0 |
| Atlético Mineiro | 2024 | Série A | 12 | 1 | 8 | 0 | 7 | 0 | — | 27 | 1 | |
| 2025 | Série A | 31 | 1 | 8 | 0 | 13 | 0 | 9 | 0 | 61 | 1 | |
| 2026 | Série A | 10 | 0 | 0 | 0 | 4 | 0 | 5 | 0 | 19 | 0 | |
| Total | 53 | 2 | 16 | 0 | 24 | 0 | 14 | 0 | 107 | 2 | ||
| Atlanta United | 2026 | MLS | 14 | 0 | 0 | 0 | 0 | 0 | — | 14 | 0 | |
| Career total | 403 | 18 | 47 | 0 | 82 | 1 | 38 | 1 | 570 | 20 | ||
| National team | Year | Apps | Goals |
|---|---|---|---|
| Paraguay | |||
| 2013 | 1 | 0 | |
| 2014 | 5 | 0 | |
| 2016 | 3 | 0 | |
| 2017 | 7 | 1 | |
| 2018 | 3 | 0 | |
| 2019 | 9 | 0 | |
| 2020 | 4 | 0 | |
| 2021 | 12 | 1 | |
| 2022 | 4 | 0 | |
| 2023 | 4 | 0 | |
| 2024 | 7 | 0 | |
| 2025 | 9 | 1 | |
| 2026 | 9 | 0 | |
| Total | 77 | 3 | |
| No. | Date | Venue | Opponent | Score | Result | Competition |
|---|---|---|---|---|---|---|
| 1 | 23 March 2017 | Estadio Defensores del Chaco, Asunción, Paraguay | 2–0 | 2–1 | 2018 FIFA World Cup qualification | |
| 2 | 2 July 2021 | Estádio Olímpico Pedro Ludovico, Goiânia, Brazil | 2–2 | 3–3 | 2021 Copa América | |
| 3 | 25 March 2025 | Estadio Metropolitano Roberto Meléndez, Barranquilla, Colombia | 1–2 | 2–2 | 2026 FIFA World Cup qualification |
Cerro Porteño
Boca Juniors
Atlético Mineiro
Individual
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