Oriol Riera

Journeyman After leaving the Camp Nou, Riera resumed his career in the Segunda División B, where he played with Cultural y Deportiva Leonesa and Celta de Vigo B. He appeared in five Segunda División matches with the latter's main squad, four as a starter.

Riera competed in the second tier from 2009 to 2013, with Córdoba CF and AD Alcorcón. He scored 18 goals in his second year with the latter side (including a hat-trick in a 3–1 victory at UD Las Palmas on 8 September 2012), helping them to the promotion play-offs.

Osasuna On 5 July 2013, Riera signed for three seasons with CA Osasuna. He made his La Liga debut on 18 August, coming on as a second-half substitute in a 1–2 home loss to Granada CF. His first goal in the competition came on 20 September of the same year, in a 2–1 win over Elche CF also at the El Sadar Stadium.

Wigan Athletic On 28 June 2014, after Osasuna's relegation, Riera agreed to a three-year deal with Wigan Athletic of the Football League Championship, for a reported £2 million fee. He scored his first goal for his new team on 23 August, the only against Blackpool in a 1–0 victory at the DW Stadium.

Deportivo Riera returned to his country's top division on 7 January 2015, signing on loan to Deportivo de La Coruña until the end of the season. On 30 June he agreed to a permanent deal at the Estadio Riazor, having narrowly avoided relegation.

On 12 August 2016, Riera returned to his former club Osasuna after agreeing to a one-year loan deal. He scored his first goal for them on 10 September, but in a 5–2 away loss to Real Madrid. He netted another in the 3–3 home draw with Valencia CF (adding an own goal), in a relegation-ending campaign.

Western Sydney Wanderers In July 2017, aged 31, Riera cut ties with Deportivo and joined A-League side Western Sydney Wanderers FC as a marquee player shortly after. He scored 15 times in his first season, but his team could only finish seventh.

In April 2019, the club confirmed that Riera was not renewing his contract.

Fuenlabrada On 25 July 2019, free agent Riera agreed to a one-year contract with second division newcomers CF Fuenlabrada. On 10 August of the following year, after just one goal in 35 competitive appearances, he announced his retirement at the age of 34 and the desire to remain associated to the sport as manager.

International career Riera played his first match for the representative Catalan national team on 30 December 2013, scoring the last goal in a 4–1 win over Cape Verde at the Estadi Olímpic Lluís Companys.

Coaching career In October 2020, Riera was named assistant coach of Alcorcón's reserves. He starting working as a manager in his own right in 2022, being appointed at CD Tudelano in the Segunda Federación and being dismissed on 19 December 2023.

Riera signed for CD Estepona FS on 6 July 2024, remaining in the fourth division. He was sacked the following 31 December, due to poor results.

On 19 June 2025, Riera was appointed at Primera Federación club Unionistas de Salamanca CF. He moved abroad on 17 September that year, on a contract at Croatian Football League's NK Istra 1961.

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