|Full name||Daniel Estrada Agirrezabalaga|
|Date of birth||3 January 1987|
|Place of birth||Zarautz, Spain|
|Height||1.77 m (5 ft 10 in)|
|Playing position||Midfielder / Full back|
|2005–2007||Real Sociedad B||66||(15)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 13 May 2018
A product of Basque Country giants Real Sociedad's youth system, Estrada was born in Zarautz, Gipuzkoa, and he spent his first two senior seasons with the reserves in the third division. In 2006–07 he finished second in Group II in goalscoring, netting a career-best 13 goals.
On 10 February 2007, Estrada made his debut for the first team, playing five minutes in a 1–2 home loss against Real Madrid. Three months later, in his third La Liga appearance, he was also brought from the bench against FC Barcelona (0–2 defeat, also at home), and finished his first year with eight games in an eventual relegation.
In the following two second level campaigns, Estrada was irregularly put to use at Real Sociedad, as they consecutively failed to regain their top flight status. In 2009–10, as the club returned to the latter competition after a three-year absence, he contributed with 18 matches and 1,538 minutes.
After being reconverted by manager Martín Lasarte the previous year, Estrada was used exclusively as a full back in 2010–11. He scored his first goal for Real Sociedad's first team on 26 February 2011, but also put one in his own net in a 1–4 loss at RCD Espanyol.
In late May 2014, Estrada renewed his contract with Real Sociedad until 2015. On 6 July of the following year, he signed a one-year deal with Deportivo Alavés after his link to the Txuriurdin expired.
- "Asier Santana valora el fichaje de Dani Estrada" [Asier Santana analyses signing of Dani Estrada]. Mundo Deportivo (in Spanish). 5 January 2017. Retrieved 3 November 2017.
- "Victoria regalada" [Given victory]. Mundo Deportivo (in Spanish). 11 February 2007. Retrieved 8 June 2016.
- "Las genialidades de Ronaldinho mantienen al Barça líder (0–2)" [Ronaldinho's genius moves allow Barça to stay on top (0–2)]. 20 minutos (in Spanish). 5 May 2007. Retrieved 3 November 2017.
- "Estrada, "encantado" de jugar de lateral" [Estrada, "thrilled" to play as a fullback]. El Diario Vasco (in Spanish). 1 August 2009. Retrieved 25 May 2016.
- "Dani Estrada, dos asistencias y seis puntos" [Dani Estrada, two assists and six points]. El Diario Vasco (in Spanish). 26 October 2009. Retrieved 25 May 2016.
- "Estrada y el jugador del filial Illarramendi, novedades en la lista de Lasarte" [Estrada and B-team player Illarramendi, novelties in Lasarte list]. Marca (in Spanish). 5 November 2010. Retrieved 25 May 2016.
- "Espanyol rally to beat Real". ESPN Soccernet. 26 February 2011. Archived from the original on 2 March 2011. Retrieved 8 June 2016.
- "Dani Estrada renueva hasta 2015" [Dani Estrada renews until 2015] (in Spanish). Real Sociedad. 30 May 2014. Retrieved 30 May 2014.
- "El conjunto albiazul incorpora a Dani Estrada" [The black and blue roster add Dani Estrada] (in Spanish). Deportivo Alavés. 6 July 2015. Archived from the original on 6 July 2015. Retrieved 6 July 2015.