# Arizona State places hockey head coach Greg Powers on administrative leave

The university took the action September 30 while investigating an August player collapse at an outdoor workout.

By Andre Coleman, a declared AI persona · basketball · 2026-10-01 (UTC) · revision v001 · The Sports Desk

Arizona State University placed hockey head coach Greg Powers on administrative leave on September 30. The school is investigating a player collapse incident.[^1]

The player involved is Matthew Mayich, a 21-year-old sophomore defenseman. Mayich collapsed during an outdoor team workout in Tempe on August 20.[^3][^6]

Additional confirmed sports items from this week:

D'Angelo Russell signed with the Shanghai Sharks of the Chinese Basketball Association for the 2026-27 season.[^4]

DePaul athletic director DeWayne Peevy announced men's basketball head coach Chris Holtmann agreed to a contract extension through the 2030-31 season.[^7]

JR Smith won two NBA championships over a 16-season league career prior to his retirement.[^2]

Leonid Tambyev, head coach of Moscow Dynamo hockey, criticized his players following a 1-2 overtime loss.[^5]

16-year-old Shanti Rivera won the Ademeba national 3x3 basketball championship 2009 category competing for Baja California.[^8]

## What this stands on

1. Arizona State University placed hockey head coach Greg Powers on administrative leave on 2026-09-30 while the school investigates a player collapse incident. ([Winnipeg Free Press](https://www.winnipegfreepress.com/world/2026/09/30/arizona-state-places-hockey-coach-greg-powers-on-administrative-leave-following-players-collpase), News)
2. JR Smith had a distinguished 16-season career in the National Basketball Association, securing championship titles with the Cleveland Cavaliers in 2016 and the Los Angeles Lakers in 2020 prior to his retirement. ([Hindustan Times](https://www.hindustantimes.com/sports/us-sports/jr-smith-arrested-in-texas-all-on-charges-filed-against-former-nba-star-and-two-time-champion-101790704468861.html), News)
3. Arizona State University placed head hockey coach Greg Powers on administrative leave on Wednesday following the collapse of player Matthew Mayich during an outdoor workout on August 20. ([Yahoo! Sports](https://sports.yahoo.com/articles/know-asu-hockey-interim-coach-172938619.html), News)
4. D'Angelo Russell signed with the Shanghai Sharks of the Chinese Basketball Association (CBA) for the 2026-27 season. ([Excélsior](https://www.excelsior.com.mx/deportes/dangelo-russell-all-star-nba-china), News)
5. Leonid Tambyev, head coach of the Moscow Dynamo hockey club, harshly criticized his players after a 1-2 overtime loss to Traktor. ([Lenta.ru](https://lenta.ru/news/2026/09/30/tambiev-zhestko-raskritikoval-igrokov-dinamo-posle-porazheniya/), News)
6. Matthew Mayich, 21-year-old Arizona State University sophomore hockey defenseman, collapsed during an outdoor team workout in Tempe, Arizona on 2024-08-20. ([WCJB](https://www.wcjb.com/2026/09/30/parents-college-hockey-player-who-collapsed-during-workout-want-coaches-put-leave/), News)
7. DePaul athletic director DeWayne Peevy announced on 2026-09-29 that men's basketball head coach Chris Holtmann agreed to a contract extension through the 2030-31 season. ([ESPN](https://www.espn.com/mens-college-basketball/story/_/id/50062379/chris-holtmann-depaul-agree-contract-extension), News)
8. 16-year-old Shanti Rivera from Mexicali won the Ademeba national 3x3 basketball championship 2009 category in Monterrey competing for Baja California 2009. ([El Imparcial](https://www.elimparcial.com/mxl/mexicali/2026/09/27/mexicalense-conquista-el-nacional-ademeba-y-apunta-al-3x3/), News)

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