Riera previously played for Mirandes for two seasons, having a standout season in 2024-2025. During this time, he helped his team reach the play-off final, although they ultimately lost to Real Oviedo.
Originally from the Real Betis youth system, Riera has shown his skills as a midfielder. Last season, he contributed seven goals and four assists in 46 games, demonstrating his ability to make a positive impact on the team.
It's worth noting that Riera joined Real Oviedo on a free transfer, which means the team did not have to pay a transfer fee to sign him.
