Mercadal began his managerial career as an assistant at his final playing club, Gap FC, before being their head coach between 2005 and 2008 in the fourth-tier Championnat de France Amateur. For the next four years he was assistant at Amiens SC in Ligue 2 and the Championnat National;[2] he was interim manager on 23 October 2009 in a 1–0 loss at ES Troyes AC. Known for his passion, he vomited after defeat in his early career.[3]
In June 2012, Mercadal was hired at fourth-tier USL Dunkerque, winning promotion in his first season.[4] After coming 5th, 6th and 6th in the third tier, he was appointed at Tours FC in Ligue 2 in June 2016.[5] He drew 0–0 at home to Ajaccio on his professional career debut on 29 July, and was dismissed on 18 February 2017 with his team in last.[6]
Paris FC
Mercadal found another job in Ligue 2 in June 2017, being hired by Paris FC, who had been restored to the division after the administrative relegation of SC Bastia.[7] He came 8th in his one season at the Stade Charléty, and was eliminated from the eighth round of the Coupe de France 3–2 at third-tier Entente SSG.[8]
Caen
On 8 June 2018, Mercadal was announced as the manager of Ligue 1 side Stade Malherbe Caen on a three-year deal, with Paris FC being compensated for the last year of his contract.[9] His top-flight debut on 12 August was a 3–0 loss at reigning champions Paris Saint-Germain FC.[10] His team reached the quarter-finals of the Coupe de France via a 7–5 win at Bastia on 5 February 2019.[11] He left by mutual consent on 25 May, after a 1–0 home loss to FC Girondins de Bordeaux on the final day and relegation to Ligue 2.[12]
On 16 May 2020, Mercadal returned to Dunkerque on a two-year contract, with the team newly promoted to Ligue 2.[15] Having avoided the relegation play-off on goal difference in his one season back at the Stade Marcel-Tribut, he left by mutual consent.[16]
Mercadal returned to work in Ligue 2 on 4 January 2022 at Quevilly-Rouen, signing an 18-month deal at the 11th-placed club.[17] In May he received a four-match ban, of which two were suspended, for an obscene gesture on his return to Caen.[18] He left for personal reasons at the end of the month.[19]
Managerial statistics
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