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Interestingly, his age-30 "breakout" season in AAA looks almost exactly like his age-23 and age-24 AAA seasons on the way up, except that half of his doubles turned into homers (38, 39, 35 extra-base hits in those 3 seasons; 46, 53, 42 walks; 46, 49, 35 strikeouts -- just in the first two all his XBH were doubles and in the last one they were half and half)
He's certainly a guy could plausibly turn in a decent year, but those sub-.600 OPS years staring you in the face gives one pause.
He's a switch-hitter, though, and we know that the Z-crew likes that.