More than 4,000 former players say they were n't warned of head trauma dangers . A judge has delayed ruling on the NFL 's request . Comment: Researchers are making strides in the study of the brain disease CTE .
More than 4,000 former players say they were n't warned of head trauma dangers . A judge has delayed ruling on the NFL 's request . The players want damages , treatment and medical monitoring . Researchers are making strides in the study of the brain disease CTE .