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Claim Text
Powers was present. Ziesel was not.
Simplified Text
Coach Greg Powers was present at the practice after Matthew Mayich's collapse, while trainer Jerry Ziesel was not.
Confidence Score
1.000
Claim Maker
The author
Context Type
News Article
Context Details
{
    "person": [
        "Greg Powers",
        "Jerry Ziesel"
    ]
}
Subject Tags
Sports Arizona State University
UUID
93f8df83-59df-47a3-982f-dffe60f3fff0
Vector Index
✗ No vector
Created
September 17, 2026 at 9:25 PM (3 weeks ago)
Last Updated
September 17, 2026 at 9:25 PM (3 weeks ago)

Original Sources for this Claim (2)

All source submissions that originally contained this claim.

Screenshot of https://nytimes.com/athletic/7600946/2026/09/17/arizona-state-hockey-greg-powers-matthew-mayich
Arizona State hockey player Matthew Mayich in critical condition after military-style workout
Completed News
50 claims 🔥
3 weeks ago
https://nytimes.com/athletic/7600946/2026/09/17/arizona-state-hockey-greg-powers-matthew-mayich

Arizona State University hockey player Matthew Mayich is in critical condition after collapsing during an intense, military-style workout led by a former Green Beret. The workout, implemented by coach Greg Powers to toughen up the team, is under review by the university and police, raising questions about NCAA guidelines and player safety.

College Hockey Arizona State University Player Safety Athletic Training NCAA Greg Powers Matthew Mayich Heat Stroke
Screenshot of https://nytimes.com/athletic/7641141/2026/09/28/arizona-state-hockey-players-greg-powers
Seven Arizona State men’s hockey players asked the university’s president to place the Sun Devils’ coaching staff on administrative leave pending further investigation into the workout that left sophomore transfer Matthew Mayich on life support.
Completed News
14 claims 🔥
1 week ago
https://nytimes.com/athletic/7641141/2026/09/28/arizona-state-hockey-players-greg-powers

Seven Arizona State men’s hockey players have requested the university president suspend the coaching staff following a workout that left Matthew Mayich on life support. They dispute the university's initial review, citing inadequate medical care and fear of retaliation.

Arizona State University Men's Hockey Player Safety Coaching Staff Investigation Matthew Mayich Heat Stroke Athlete Welfare

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