.jpg) Alonso withParaguay in 2018 | |||
| Personal information | |||
|---|---|---|---|
| Full name | Júnior Osmar Ignacio Alonso Mujica[1] | ||
| Date of birth | (1993-02-09)9 February 1993 (age 32) | ||
| Place of birth | Asunción,Paraguay | ||
| Height | 1.85 m (6 ft 1 in)[2] | ||
| Position(s) | Defender,left-back | ||
| Team information | |||
Current team | Atlético Mineiro | ||
| 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– | Atlético Mineiro | 48 | (1) |
| International career‡ | |||
| 2013 | Paraguay U-20 | 8 | (2) |
| 2013– | Paraguay | 68 | (3) |
| * Club domestic league appearances and goals as of 7 November 2025 ‡ National team caps and goals as of 18 November 2025 | |||
Júnior Osmar Ignacio Alonso Mujica (born 9 February 1993) is a Paraguayan professionalfootballer who plays as adefender orleft-back forCampeonato Brasileiro Série A clubAtlético Mineiro and theParaguay national football team.
Alonso joined French clubLille in a permanent transfer in January 2017.[3] He made his debut for the club on 18 February 2017, coming on as a second-half substitute in a win overSM Caen.[4] He would go on to make 56 appearances for Lille in all competitions before leaving on loan in August 2018.[3]
On 14 August 2018, Alonso was loaned toLa Liga'sCelta Vigo for one year with an option to make the deal permanent.[5][3]
On 2 January 2019, he was loaned toBoca Juniors.[6] On 2 May 2019, Alonso was an unused substitute as Boca defeatedRosario Central in the2018 Supercopa Argentina on penalty-kicks after the match ended 0–0.[7]
On 2 July 2020, Alonso joined Brazilian clubAtlético Mineiro on a four-year deal for a€3 million fee.[8] He quickly became a starter on the team, and in 2021 he was champion of2021 Campeonato Brasileiro Série A and2021 Copa do Brasil, playing in 51 matches and scoring 1 goal, being captain and a pillar of defense.
On 7 January 2022, Russian clubKrasnodar 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.[9] The contract was signed on 12 January 2022.[10] On 3 March 2022, following theRussian 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.[11]
On 14 March 2022, Atlético Mineiro announced the return of Alonso on loan until the end of 2022.[12]
On 10 July 2024, Alonso rejoinedAtlético Mineiro on a two-and-a-half-year deal.[13]
Alonso is a full international forParaguay, having made his senior debut for his country in 2013.[3]
In a2018 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 ofEcuador.[14]
On 29 May 2019, Alonso was selected to the final 23-man roster for the2019 Copa América in Brazil.[15] 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 championsBrazil.[16]
| Club | Season | League | National Cup | Continental | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Cerro Porteño | 2013 | Paraguayan Primera División | 31 | 1 | — | 2[a] | 0 | — | 33 | 1 | ||
| 2014 | Paraguayan Primera División | 30 | 2 | — | 12[b] | 0 | — | 42 | 2 | |||
| 2015 | Paraguayan Primera División | 43 | 4 | — | 0 | 0 | — | 43 | 4 | |||
| 2016 | Paraguayan Primera División | 32 | 4 | — | 18[c] | 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[d] | 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 | Argentine Primera División | 7 | 0 | 2 | 0 | 2[e] | 0 | 5[f] | 0 | 16 | 0 |
| 2019–20 | Argentine Primera División | 14 | 0 | 0 | 0 | 2[e] | 0 | 1[f] | 0 | 17 | 0 | |
| Total | 21 | 0 | 2 | 0 | 4 | 0 | 6 | 0 | 33 | 0 | ||
| Atlético Mineiro | 2020 | Série A | 32 | 1 | — | — | 6[g] | 0 | 38 | 1 | ||
| 2021 | Série A | 22 | 1 | 8 | 0 | 12[e] | 0 | 9[g] | 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[e] | 0 | 1[g] | 0 | 44 | 0 |
| Atlético Mineiro | 2024 | Série A | 12 | 1 | 8 | 0 | 7[e] | 0 | — | 27 | 1 | |
| 2025 | Série A | 27 | 0 | 8 | 0 | 12[a] | 0 | 9[g] | 0 | 56 | 0 | |
| Total | 39 | 1 | 16 | 0 | 19 | 0 | 9 | 0 | 83 | 1 | ||
| Career total | 377 | 17 | 47 | 0 | 77 | 1 | 33 | 1 | 536 | 19 | ||
| Paraguay | ||
| Year | Apps | Goals |
|---|---|---|
| 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 |
| Total | 68 | 3 |
| No. | Date | Venue | Opponent | Score | Result | Competition |
|---|---|---|---|---|---|---|
| 1 | 23 March 2017 | Estadio Defensores del Chaco,Asunción, Paraguay |  Ecuador | 2–0 | 2–1 | 2018 FIFA World Cup qualification |
| 2 | 2 July 2021 | Estádio Olímpico Pedro Ludovico,Goiânia, Brazil |  Peru | 2–2 | 3–3 | 2021 Copa América |
| 3 | 25 March 2025 | Estadio Metropolitano Roberto Meléndez,Barranquilla, Colombia |  Colombia | 1–2 | 2–2 | 2026 FIFA World Cup qualification |
Cerro Porteño
Boca Juniors
Atlético Mineiro
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