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I don't know that. (But honestly, that's not saying much.)
Let me ask the dumb question. How would we know if he were going to run an Ichiro-esque BABIP? Doesn't he have the speed, the instincts, the hit tool (not like Ichi, but enough to be 'up there')? What tells us 'this guy obviously can't sustain this at all', vs 'well this exact level is unsustainable, but he's probably going to stay in rarified air.'