Arizona State University hockey coach put on leave after player collapsed during workout

Updated on: September 30, 2026 / 8:32 PM EDT / CBS News

Arizona State University hockey coach put on leave after player collapsed during workout

TL;DR

  • Arizona State University hockey coach Greg Powers has been placed on paid administrative leave.
  • The leave follows the collapse of player Matthew Mayich during a workout on August 20, who is now on life support.
  • Mayich's family believes the action taken against Powers is insufficient.
  • Seven other players have raised concerns about the workout, stating it was too long, lacked adequate water breaks, and did not have proper emergency equipment.
  • The workout was reportedly led by Tim Ziesel, who denies it was 'military style'.
  • The Maricopa County Attorney's office will review the findings of the ASU Police Department's investigation.