Lionel Pep Guardiola starred as Barcelona beat Manchester City on Wednesday . Pundits , managers and players have described him as the best player ever . But does his lack of international success with Argentina hold him back ? READ : Pep Guardiola was magnificent ... even Messi was left gasping . Javier Mascherano : I have never seen anything like Pep Guardiola .
Lionel Messi starred as Barcelona beat Manchester City on Wednesday . Pundits , managers and players have described him as the best player ever . But does his lack of international success with Argentina hold him back ? READ : Messi was magnificent ... even Pep Guardiola was left gasping . Javier Mascherano : I have never seen anything like Messi .