Looks Hispanic to me
I'm gunna say the closest we've had to someone like him in recent memory would be Mike McDade, but Tellez is likely (hopefully?) better.
It likely has something to do with the corresponding move, though other options are "they want him to spend less time on the turf" and "arranging travel was a bitch"
I love when Red Sox and Yankees prospects don't live up to the hype, it's almost as though some people over rate prospects for those two teams for some reason...