Death is final. As such, there should never be any ambiguity when reporting it. All caution must be made that once a death has been reported, it cannot be taken back.
Never use euphemisms such as “passed away” or “left us.” Only use forms of the word die: Pete Rose, the all-time hits leader in MLB, died at 83; The death of Marlins pitcher Jose Fernandez, 24, was mourned throughout baseball.
