Baseball’s Upward Trend Is Leaving Some Players Grounded – New York Times

Reyes, by many measures, is having an awful year. Of the 164 players who qualify for the batting title, only two have a lower batting average on balls hit in play than Reyes does. And the Cubs briefly demoted one of those two players, Kyle Schwarber, to the minor leagues to work on his hitting. So why has Reyes been so bad when he makes contact? Examining the angle at which the ball leaves his bat identifies weaknesses in his approach.