Borussia Dortmund and Germany defender Mats Hummels says his poor form last season was down to him being overweight.
Hummels told kicker that, after winning the World Cup in the summer, he overindulged during his summer break, resulting in a struggle for form which lasted right up until the winter break.
"The first half of last season was probably the worst I have ever played in my life," the 26-year-old said. "It felt hefty, and it looked hefty. It was catastrophic for me in terms of my weight.