Red alert! How Lewandowski has become the world’s most complete No.9

The Bayern Munich frontman takes on former manager Jurgen Klopp on Tuesday, having developed into the

In the past few weeks, Dietmar Hamann has had to do more defending than former club Liverpool's makeshift backline.

The former Bayern Munich midfielder became the centre of attention for calling Robert Lewandowski a problem for his old club, as well as labelling the striker an individualist rather than a team player.

Hamann's claims resulted in a barrage of replies from Bayern's bosses, as well as the Pole's agent and even Lewandowski himself.

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"I am always focused on my job," the forward told ESPN. "I am not interested in what someone says about me, even more so if it's just…