Mats Hummels and Jerome Boateng are two of the finest German defenders around. And just like that, they were gone. The international careers of World Cup winners Mats Hummels, Jerome Boateng and Thomas Muller came to an end on Tuesday, when Germany manager Joachim Low personally told the trio that their services were no longer required. Axing the very players that his coaching staff had resolutely defended against all critics only five months earlier, calling them the team's "important axis" was a hugely surprising statement of intent by Low, both in terms of timing and rationale. So...