I remember this like it was yesterday. I can't find the clip but as I watched it I could feel the pain. http://articles.philly.com/1989-08-16/sports/26148961_1_humerus-bone-dave-dravecky-cancer-surgery Two years later 1991 he had the arm & shoulder amputated. Sad story.
Players who were on the field that day said they could hear the snap from across the field. Even the batter Tim Raines ran out to the mound.