By Tom Dodge Sports Editor St. Edmund exploded for seven runs in the bottom of the fourth frame Monday as the Lady Jays cruised to a 15-0 mercy rule win over Crowley. Caroline Lavergne opened the bottom of the first with a hit, Sloan Cart walked and Kennedy Dubroc reached on an error to load the bases. Madison Comeau belted a grand slam over the center field wall to lift the Lady Jays to an ea…