CSI: Crime Scene Investigation Episode 10.05 Bloodsport

A well known college football coach is murdered, and our CSIs are brought in to investigate. They discover that one of the football players on the team has a terrible crime in his past and this crime set the stage for the coach's murder. When the very popular local college football coach is found bludgeoned to death in his house, the CSI's have to look at the evidence, and the people who were closest to him. He lead a team filled with loyal players. Some were like sons to him. One of the players had a bit of a past, and the CSI's discover that he was in a car accident some years back, and a young woman was in the car with him when it went under water. She was killed, and the only person that the player told was the coach. He held this secret for years, but recently the player suspected that the coach was going to talk, so he murdered him.