What is it about Ghost that leads Coach to take a special interest in his future?

Coach comes to recognize potential and similarity in Ghost, as Ghost, like Coach, has had a difficult life. Coach’s father stole his gold medal to use for drugs that led to his death. Coach does not want to see any of the kids on the team go down the same path, so he ensures to hold them accountable for their actions, responsible for making things right, and making sure to provide a moral example for them.