The deaths of Len Bias and Don Rogers could save the lives of other athletes by exposing the dangers of cocaine and other drugs.Bias, a 22-year-old University of Maryland basketball star, died of a cocaine overdose June 19, two days after being made the No. 2 choice overall in the NBA draft. Rogers, a 23-year-old defensive back for the NFL Cleveland Browns, died last week after using cocaine at a bachelor party in his honor.