Bojan KrkiÄ ( born 28 August 1990 ) is a Spanish football player . He plays for Barcelona . Bojan KrkiÄ PÃ rez ( ; pronounced Boyan Krkich Perez ; born 28 August 1990 , in Linyola , Lleida , Catalonia ) often known as just Bojan , is a Spanish footballer of Serbian descent who currently plays as a striker for Spanish La Liga club FC Barcelona .