Baseballdad72:
Your son may desire to perform a "background" check on the Coach. Then in his e-mail mentioned that his father may have played in the same league. Ask the question. Did he know his father?
During the Area Code games, I often received names of players, who I recognize because of the father or grandfather.
La Roche's family, the Terry Francona family. His father Tito was from Detroit.
Bob