Boye and Issah on board Rennes pre-season
Kamal Issah in action for Rennes reserve side last season
The Red and Black started their ten day camping exercise at Carnac in Brittany.
Ghana international Boye, centre-back, was one of Rennes' best performers last season, will be key for the side this season.
Talented midfielder Issah was promoted from the reserve side but could not make his debut.
The former Liberty Professionals player could make his breakthrough this season after impressing coach Frederic Antonetti.
Rennes pre-season squad:
Cheikh Ndiaye, Abdoulaye Diallo, Costil Benedict, John Boye, Danzé Romain, Jean-Armel Kana-Biyik, Kevin Theophile Catherine.
Onyekachi Apam, Chris Mavinga, Abdoulaye Doucouré, Julien Feret, Alexander Tettey, Vincent Pajot, Kamal Issah
Yacine Brahimi, Romain Alessandrini, Sadio Diallo, Jires Kembo, Mevlut Erding, Razak Boukari,
Abdoulaye Sane, Victor Hugo Montano, Jonathan Pitroipa, Franck Julienne and Cheick Diarra Fantamady.
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