By the numbers: How the coach's challenge continues to evolve in the NHL – The Athletic
Expanded NHL Coach's Challenge Increases Game Show Atmosphere, Not Call Accuracy
Challenge system takes center stage in NHL playoffs - The San Diego Union-Tribune
NHL season marked by coaching carousel, changes | ProHockeyTalk | NBC Sports
The Play is Under Review: The NHL Coach's Challenge And Its Impact On The Game
Two-minute penalty proposed for failed offside challenge
In the Heat of the Playoffs, Coach Challenges Start to Cool Off - The New York Times
Do NHL coaches actually like the new coach's challenge?
Ruling on Coach's Challenge: Inconclusive - The New York Times
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How Successful Is Your Coach With The Coach's Challenge? - Winging It In Motown
/https://www.therecord.com/content/dam/therecord/sports/hockey/2016/03/13/coach-s-challenge-on-docket-for-nhl-general-managers-meeting/B822407244Z.1_20160313200408_000_GGI1L4CKQ.2_Gallery.jpg "Coach's challenge on docket for NHL general managers meeting | TheRecord.com")
Coach's challenge on docket for NHL general managers meeting | TheRecord.com
In post-quarantine NHL, recapturing team chemistry a challenge – Sentinel and Enterprise
Coach's Challenge Archives - Scouting The Refs
For Wild's Bruce Boudreau, coach's challenge a team effort
NHL Coach's Challenge Tracker 2018-19 - Scouting The Refs
NHL announces rule changes for video review, coach's challenge
/https://www.thestar.com/content/dam/thestar/sports/hockey/2017/10/03/over-the-boards-questions-swirl-around-nhls-new-penalty-on-lost-offside-challenges/offside.jpg "Over the boards: Questions swirl around NHL's new penalty on lost offside challenges | The Star")
Over the boards: Questions swirl around NHL's new penalty on lost offside challenges | The Star
Get it right, NHL coaches, or get 2 minutes | CBC Sports
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How Successful Is Your Coach With The Coach's Challenge? - Winging It In Motown
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How Successful Is Your Coach With The Coach's Challenge? - Winging It In Motown
Flames' Coach's Challenge Wipes Out Tying Goal from Stars' Dickinson - Scouting The Refs
NHL 21 BE A PRO #2 // "COACH'S CHALLENGE" - YouTube
Coach's Challenge: TBL @ DET - 17:22 of Second Period
New NHL rules forcing coaches to think twice before challenging plays | Calgary Sun
Offside challenge change will give NHL coaches more to consider - Edmonton | Globalnews.ca
New rule adds pressure on NHL coaches asking for offside challenge - CityNews Toronto
