Anyway, this isn't good company to be in, except for Gerardo Parra. If you've been seeing good defense from Harper please let me know what I'm missing.
You can't judge defensive stats from 22 games evidenced by the inclusion of Parra and Hunter in there, it just doesn't work. He's made a few good plays out there, and some great throws if I remember correctly.
The Marlins game where he loafed a double into a triple (saw this one live).
Some game after where Span had to chase down a ball Harper "never saw" (according to Charlie and Dave).
Tell me those two things didn't happen.
You're going to judge his defensive prowess after two bad plays? It doesn't work like that. Michael Taylor is supposedly an "80" fielder and he made three errors in one spring training game, does that mean he's bad forever?
Judging defense by anecdotes is subjective in the extreme. You need some form of sustained evidence. Over his first two years he's been a good not great defender, that's what we have to go on right now.