DPL Baseball has this report on the 17-year old switch-hitting shortstop:
Jean Carlos is 6'2, 175lb, Lg frame, athletic wiry body. The switch hitter shows a compact swing from both sides of the plate, although he has more power from the left side. After 14 weeks in the DPL he's leading Los Potros with a .313 avg. Defensively he shows good foot work and fields the ball cleanly. His arm strength is plus and shows enough range to stay at the position. Jean Carlos ran a 6.9 at our last showcase but has improved his speed during the last few weeks.
Our buddy Street found this SI Teen article about the documentary "Long Hard Road to the Show," in which Batista is mentioned prominently:
Among those on the field is another player featured in the film: Jean Carlos Batista, a 16-year old switch-hitting shortstop whom Jacobo compares to a young Carlos Beltran.