Oso (footballer)
| Personal information | |||
|---|---|---|---|
| Full name | Joaquín Martínez Gauna | ||
| Date of birth | 9 July 2003 | ||
| Place of birth | Torrevieja, Spain | ||
| Height | 1.83 m (6 ft 0 in) | ||
| Position | Left-back | ||
| Team information | |||
Current team | Sevilla B | ||
| Number | 11 | ||
| Youth career | |||
| Algorfa | |||
| Kelme | |||
| Murcia | |||
| 2018–2022 | Málaga | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2021–2022 | Sevilla B | 6 | (1) |
| 2022– | Sevilla B | 65 | (3) |
| 2023– | Sevilla | 1 | (0) |
| * Club domestic league appearances and goals as of 7 December 2025 | |||
Joaquín Martínez Gauna (born 9 July 2003), commonly known as Oso, is a Spanish professional footballer who plays for Sevilla Atlético. Mainly a left-back, he can also play as a left winger.
Career
Born in Torrevieja, Alicante, Valencian Community, to Argentine parents, Oso began his career with Algorfa CF, and subsequently represented Kelme CF and Real Murcia CF before joining Málaga CF's youth sides in 2018.[1] He made his senior debut with the latter's reserves on 12 October 2021, playing the last 26 minutes of a 1–1 Tercera División RFEF home draw against CD Alhaurino.
Oso scored his first senior goal on 9 April 2022, netting Atlético Malagueño's winner in a 3–2 home success over UD San Pedro. On 13 July 2022, he signed a three-year contract with Sevilla FC, being initially a member of the B-team in Segunda Federación.[2]
Converted into a left-back at Sevilla Atlético, Oso made his first team debut with the Andalusians on 6 December 2023, coming on as a late substitute for Manu Bueno in a 2–0 away win over Atlético Astorga FC, for the season's Copa del Rey.[3] The following 23 February, he renewed his link until 2027.[4]
Regularly used in the B-team afterwards, Oso made his professional – and La Liga – debut on 7 December 2025, starting in a 1–1 away draw against Valencia CF.[5][6]
Personal life
Oso's younger brother Gabriel is also a footballer. A forward, both were together for a short period at Murcia and Sevilla.[7]
References
- ^ "Orgullo torrevejense: el joven Joaquín Martínez Gauna ficha como nuevo jugador del Sevilla FC" [Torrevejense pride: the young Joaquín Martínez Gauna signs as new player of Sevilla FC] (in Spanish). Objetivo Torrevieja. 16 July 2022. Retrieved 11 December 2025.
- ^ "El killer torrevejense Joaquín Martínez Gauna ficha por el Sevilla FC" [The torrevejense forward Joaquín Martínez Gauna signs for Sevilla FC] (in Spanish). 3D Vega Baja. 13 July 2022. Retrieved 11 December 2025.
- ^ "El momento más emotivo del debut de Oso con el Sevilla" [The most emotional moment of Oso's debut with Sevilla] (in Spanish). Estadio Deportivo. 7 December 2023. Retrieved 11 December 2025.
- ^ "El Sevilla renueva a Oso hasta 2027" [Sevilla renew Oso until 2027] (in Spanish). ABC. 23 February 2024. Retrieved 11 December 2025.
- ^ "Oso emocionado tras debutar en LaLiga con el Sevilla FC: «Lo recordaré toda mi vida»" [Oso emotional after debuting in LaLiga with Sevilla FC: "I will remember all my life"] (in Spanish). Orgullo Biri. 7 December 2025. Retrieved 11 December 2025.
- ^ "Conocé la historia de Joaquín "Oso" Martínez Gauna, el jugador con raíces en Reconquista que debutó en el Sevilla FC" [Know the story of Joaquín "Oso" Martínez Gauna, the player with roots in Reconquista who debuted at Sevilla FC] (in Spanish). Via Libre. 8 December 2025. Retrieved 11 December 2025.
- ^ "Los 'hermanos Oso' se reencuentran en el Sevilla" [The 'Oso brothers' reencounter at Sevilla] (in Spanish). Diario de Sevilla. 30 January 2024. Retrieved 11 December 2025.