Well, you just captured the whole issue. The new metrics give credit to guys who get to balls that others don't. Errors are only one part of the equation.
The eye test led me to believe Jeter was one of the best fielding shortstops. Not talking about the infamous jump throws, but the fact that he didn't make many errors, and his penchant for making the big play in the big moment.
And the intended message of that song, of course, is a fine one, that falls apart quickly on analysis. Isn't it saying that fighting back against an oppressor or invader is wrong? Whoops!
If he's a middle reliever, you're talking about eating at least 90% of his salary, so that's not gonna happen.
But if he's healthy, he's not a middle reliever.
I had a weird feeling when I heard about Sale's extension. I didn't hate it, but I was very uneasy about his health, that's for sure.
Only Dombrowski can ever explain the thinking that went into it.