Was Mental Fatigue To Blame For Messi's Miss at Copa America?

In perhaps a defining moment in his career, Lionel Messi missed his penalty kick at the end of  the 2016 Copa America Final. The soccer world asked how this iconic player, voted to be the best in the world five times, could blast the ball over the goal in such a crucial moment at a major tournament? Certainly, Messi had played in overtime games before and was able to handle the physical toll. However, the mental stress of the moment may have been too much for his world-class skill to take ov...