Theater Critic Michael Bourne is always busy rooting for his hometown St Louis Cardinals, but baseball is also in his spotlight off-Broadway in a new play about a woman playing pro ball in the 1950’s. Toni Stone is Lydia R. Diamond's play about first woman to play professional baseball. Stone played in the early 50’s in the Negro Leagues. Toni Stone runs at the Roundabout’s Laura Pels Theatre August 11.