Cult of Hockey: Coach's challenge creates more controversy than it resolves while suppressing offence. So of course NHL loves it! | Edmonton Journal
NHL approves rule penalizing unsuccessful offside challenge
NHL changes for 2015-16 season: 3-on-3 OT, coach's challenge, $71.4 million salary cap ceiling, new face-off rule - New York Daily News
NHL Rule Changes for 2017-18 Season Include Coach's Challenge Tweak
NHL Rule Changes for 2017-18 Season Include Coach's Challenge Tweak
NHL announces rule changes for video review, coach's challenge
By the numbers: How the coach's challenge continues to evolve in the NHL – The Athletic
NHL coaches challenge goalie interference in droves — so should they be penalized when they get it wrong? | National Post
NHL expands video-review rules, coaching challenges - Sportsnet.ca
RULE CHANGE: NHL Updates Coach's Challenge on Goaltender Interference
NHL rules 2019-20: What has changed for the upcoming season? | Sporting News
The grey area of coach's challenge system - TSN.ca
Coach's challenges have NHL fans in an uproar | CBC Sports
NHL announces rule changes for 2019-20 season
How Successful Is Your Coach With The Coach's Challenge? - Winging It In Motown
Know The Rules: Coach's Challenge | NHL.com
The rule is doing a good job of taking good goals away': NHL's coach's challenge opens awful can of worms | Calgary Herald
Rule changes having positive effect, NHL executives show general managers
GMs: No reason to change offside rule
Coach's Challenge Archives - Scouting The Refs
Expanded NHL Coach's Challenge Increases Game Show Atmosphere, Not Call Accuracy
