If the parameters for participation in the World Baseball Classic aren’t exactly lax, they aren’t so stringent, either.
In fact, there seem to be infinite avenues available to play for any given nation in the competition.
Those range from the perfectly sensible route of Rockhurst’s Ray Chang, playing again for China because both his parents were born there … to the more imaginative notion of the Royals’ Mike Moustakas having been eligible to play for Team Israel because his wife is Jewish (see Jeff Passan of Yahoo Sports’ fun tale on how the team was formed).