He made his first-team debut on 2 November 2003 in a 2–0 home loss to Real Zaragoza,[4] but spent his first professional seasons with the reserve side in the Segunda División B.

In the last matchday of 2005–06, on 13 May 2006, Coro scored a last-minute goal against Real Sociedad, with that 1–0 win saving Espanyol's La Liga status and Alavés being relegated instead.

[6] Coro finished 2006–07 with four league goals in 30 games, adding five in 11 matches in the team's runner-up run in the UEFA Cup, including one apiece in both legs of the semi-final clash against Werder Bremen.

[9][10] In mid-January 2011, completely ostracised by manager – and former teammate at Espanyol – Mauricio Pochettino, Coro signed with fellow top-division club Osasuna on loan until the end of the campaign.

[22] He left at the end of 2019–20;[23] with two back-to-back Golden Boots claimed during his tenure – he also lost the individual accolade in his last season to Nerijus Valskis by one goal[24]– he was the only player in the competition's history to achieve this feat.