|Date of birth||13 May 1983|
|Place of birth||Athis-Mons, France|
|Height||1.80 m (5 ft 11 in).|
|ADO Den Haag|
|Arcueil C.O. Municipal|
|2003–2004||Choisy Le Roi||29||(2)|
|2015–||ADO Den Haag||31||(3)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 9 May 2016 (UTC).
Duplan started his career at Choisy le Roi and made his name at Clermont Foot before moving to Dutch side RBC Roosendaal in 2006. Soon he became a crowd favourite at RBC which also earned him a transfer to Sparta Rotterdam in summer 2007. However, he was seriously injured in his first match for Sparta which cut short his first season in Rotterdam. In the summer of 2010 he made a transfer to FC Utrecht. At the end of the season 2011-2012 Duplan won the David di Tommaso trophy. The supporters of FC Utrecht voted him as best player of the season.
- Career stats – LFP (French)
- Career stats – Voetbal International (Dutch)
- LISTE DES JOUEURS CFFP EN CLUB PRO OU CHAMPIONNAT DE FRANCE
- Voetbal International profile (Dutch)
- Player profile – Sparta Rotterdam
- Dutch fansite: www.duplan.nl (Dutch)
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