The Chicago White Sox often offer special events at home games. Here is an example of one:
All mothers, stepmothers, grandmothers, mother-figures and their sons are invited to enjoy a day of bonding at the ballpark featuring specially-priced group tickets various activities before walking around the field in a pregame parade. Specially-designed commemorative shirts are offered as a memento of the occasion.
Thinking about the event above...
2014 Attendance Record: 4-5; 0.444