Sometimes (most times) there is only one game a day. Try to take advantage of seeing the area, with or without your player. There is a lot to see and do in Atlanta/Kennesaw area.
One team hotel had a shuttle to the surrounding area. Toward the end of the week the parents sent the kids off bowling for a few hours.
If you don't know about the Georgia red clay, buy some Iron Out. We soaked baseball pants in the bathtub.
There used to be a thread about good places to eat near East Cobb. Maybe someone should start a thread for the Emerson area, (besides McD's and Chick-fil-a). Cartersville, north of Emerson, is a cute town and I can recommend The City Cellar and Appalachian Grill as good places to eat.