Lionel Messi's family says the Argentina captain's father is undergoing medical treatment for an undisclosed illness. They have asked the media for “humanity” amid rumors about Jorge

Top football teams increasingly rely on big data and predictive algorithms to gain an advantage. But sports psychology plays a big role, too. And that is where I come in. I have a passion for sports in general and soccer in particular – it is the game I grew up playing in Germany.