Union Berlin are set to lose another player in David Fofana who is about to return to parent club Chelsea, coach Nenad Bjelica said on Thursday. “It appears that he won’t be with us any more by Saturday,” Bjelica said. Fofana, 21, arrived on loan in summer but Chelsea have made use of their right to get him back in January. Union are losing another summer signing in veteran Italy defender Leonardo Bonucci who is set to join Istanbul club Fenerbahce. Bjelica said regretted the loss of the duo but added: “It is the way it is, we are focussing on the available players.” Robin Gosens, Danilho Doek…