The Washington Nationals have been horrible on the defensive end when it comes to their infield. They have committed 39 total errors. That leads the majors by a large margin, as the team with the second-most only has 28. The most concerning thing is that there are nine position players with at least one error to their name, which suggests the entire operation has been sloppy. First-year manager Blake Butera is trying to get that fixed with more intensive pregame drills, but at a certain point, the Nationals might come to the conclusion that certain players just won't ever be high-end defenders at their current positions. While CJ Abrams at shortstop is the most glaring one, Brady House at third base could also be added to that list based on how he's performed thus far. And because of that, there could be some serious changes coming to Washington at some point.…