ORLANDO, Fla. — Jurors on Wednesday started hearing arguments over whether University of Central Florida football player Ereck Plancher died during a workout because coaches pushed him too hard knowing he had a medical condition or whether it was from an unknown heart defect.During opening arguments in the wrongful death trial, attorneys representing his parents said the 19-year-old died three years ago from complications of sickle cell trait after an excessive workout where coach George O'Leary ordered water and trainers off the practice field.Read More...