Who have a bit in his head that randomly flips to 'off' at some crucial moments. He's always been that way.

I don't remember seeing him much prior to 2014, but I remember a particular moment in the 7-1 thrashing in the WC where he ran out about 15 yards from the CB position to go at Hummels, completely vacating the space behind him, to which Hummels passed into and Germany promptly scored. Just...rash stupidity.