Rafael Alcântara do Nascimento
Rafinha will miss Barcelona's trip to Real Sociedad on Thursday after suffering a muscular problem in his right leg.
Neymar progressed through the ranks at Santos but he says the chance to play for Flamengo at the Maracana would be tough to turn down.
Rafinha has no doubt Barcelona team-mate Lionel Messi is the world's best player, despite not winning the Ballon d'Or.
Luis Enrique felt Barcelona improved after half-time as rookie midfielder Carles Alena salvaged a 1-1 Copa del Rey draw at Her
Barcelona's poor form continued as they were held to a draw by Hercules, but captain for the night Rafinha is refusing to panic.
Rafinha expects a "complicated" game for Barcelona at Celtic - a far cry from the 7-0 Champions League thrashing they deal out in September.
Rafinha made it five goals in six LaLiga appearances this season to earn Barcelona a workmanlike 1-0 victory over winless Granada.
Barcelona have recalled fit-again Jasper Cillessen and Rafinha to the squad for their clash with Granada, though Arda Turan is out.
Barcelona's fair play record in LaLiga proves they are not a team who will try to antagonise opponents, according to Luis Enrique.
Barcelona's Rafinha has hit out at attempts to portray Neymar as an instigator behind the unsavoury scenes against Valencia.