ASU hockey player hospitalized after collapsing during workout

Yahoo Sports1 min read • Latest: Aug 27, 2026, 9:50 PM

Last updated Aug 27, 2026

ASU hockey player hospitalized after collapsing during workout
Summary

Matthew Mayich, a defenseman for the Arizona State University hockey team, collapsed during an outdoor workout on August 20 and suffered a cardiac event. He was taken to an area hospital and later transferred to Barrow Neurological Institute, where he remains in a coma. The involved trainer, Tim Ziesel, a former Green Beret, has declined to comment on the incident and is awaiting approval from ASU to issue a statement. ASU's administration is reviewing the circumstances surrounding the workout, which occurred amid extreme heat conditions. No further details about Mayich's condition have been disclosed as family and university officials prioritize privacy.

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By the Numbers
  • Matthew Mayich collapsed during a workout on August 20.
  • He is currently in a coma at Barrow Neurological Institute.
  • Tim Ziesel was involved but has not given a public statement.
  • ASU is reviewing the circumstances of the workout.
  • Extreme heat was reported in Phoenix on the day of the incident.
Latest Updates
  • 9:50 PMYahoo SportsFormer Green Beret tied to ASU hockey workout where player collapsed
What they're saying
"

Tim Ziesel said he wouldn't talk about what happened at the ASU track, where Matthew Mayich suffered what was described as a cardiac event.

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