WFIR Health NewsThey are rivals for patients – and now on the softball field. For a third year Carilion Clinic and Lewis Gale Health System employees will battle it out on Sunday for a good cause – raising money for the American Heart Association.  Game time at the Cave Spring High School softball field is 2pm on Sunday rain or shine. Tickets are six dollars and the series is tied at one win apiece. Kimberley White is a Carilion registered nurse: