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When Mike Trout has a .400 BABIP across his 1100 PAs it's because he's blazingly fast, but Vinnie doesn't yet have an identified skill that lets him beat the average.
He is hitting a ton of line drives this year, which has boosted his BABIP, but while line drive percent can be more telling year to year than some stats, it's only one year. He goes back to 16% and it's nothing to call home about.
*shrugs* I'm not sold on Vinnie - I want more data. Luckily, I'll get it. And in the meantime, I wouldn't sell low on him any more than I'd sell low on Chiang. The blips on the radar right now re: line drive percent and how they're hammering the ball will be fun to track.
~G