I link this Ben Lindbergh piece at Grantland not to mock Derek Jeter’s defense, but because the approach here — with heavy use of Gifs and infographics — is a really cool way to look at defense in general. As Lindbergh puts it, it meshes the old fashioned eye-test — which usually helps Jeter’s case — with some advanced metrics.
People already know that Jeter is not and never has been a strong defender and those who doubt it aren’t the sorts to be persuaded by silly things like evidence. But what this does do is take the defensive discussion out of the realm of extremely-flawed defensive metrics and literally shows us what people are talking about when they talk about the player’s defensive strengths or weaknesses. And there are strengths, even if Jeter has been poor on the whole.
None of this is particularly helpful from a data analysis perspective — it would take an awful long time to write up these sorts of defense stories for everyone and you still don’t have data sets you can compare — but it is pretty spiffy and probably tells us more than anything else on the matter can.