Gallego, a 17-year-old Cuban prospect, is a "a switch-hitting shortstop with the ability to drive the ball for extra-base power," per mlb.com.
What's next: The signing period for international players begins Jan. 15.
The bottom line: Given that the D-Backs' prospect is still a teenager and probably has a ways to go if he wants to see the majors, you probably won't hear much about Gallego (the baseball player) in the near future.