What Expressions Can Say About a Player

[classof2k]

"In the latest effort to gain an edge in evaluating players, some teams are analyzing athletes' expressions, looking for clues in how much frustration they exhibit, for instance."

Main article:
http://www.nytimes.com/2014/12/26/sports/nba-bucks-looking-for-an-edge-hire-expert-in-face-time.html

Related:
http://www.nytimes.com/interactive/2014/12/26/sports/NBA-faces-data.html
On Cutler: "Ultimately, there is an odd nonchalance and detachment about Cutler. It is not as if he does not care; it is just that he refuses to make himself vulnerable by caring too much. You get the sense that, as hard as he might try, he is holding something back. He is not quite there for you."

[chapman]

They must have watched Lie To Me, which itself was initially based on one of the micro-expression experts.  Pretty good show, Cal Lightman was awesome - but lost steam when they just made him doing something reckless the premise of every episode and ignored all the other characters they had begun to develop in the first season.