NHL Public Relations on Twitter: "New this season, all unsuccessful Coach's Challenges will result in a penalty. Teams may initiate a challenge on appropriate plays at any time except the final 1:00
NBA coach's challenge off to a rocky start
:no_upscale()/cdn.vox-cdn.com/uploads/chorus_image/image/60150429/104485159.jpg.0.jpg "How college football instant replay works: See refs' NCAA rule - SBNation.com")
How college football instant replay works: See refs' NCAA rule - SBNation.com
Warriors coach Steve Kerr 'not a big fan' of coach's challenge
NHL announces rule changes for video review, coach's challenge
Many Coaches Don't Like The NBA's Challenge Rule; Will It Be Back Next Season?
Coach's challenge could be a timely tool for teams to wield | NBA.com
The Coach's Challenge Rule: Is It Actually Helping The Raptors? - Mar 6, 2020
NBA Board of Governors approves coach's challenge, use of NBA replay center to initiate instant replay | NBA.com
Chiefs coach admits there still isn't unanimity with captain's challenge rule for Super Rugby Aotearoa | Stuff.co.nz
NBA coaches mostly against, uncertain about new challenge rule
NBA may use “Coach Challenge” rule next season
The NBA challenge rule: Players, not coaches, should be able to challenge calls.
CFL approves rule change on coaches' challenges - CFL.ca
How will Utah Jazz's Quin Snyder and others use the NBA's new coaches challenge rule?
/cdn.vox-cdn.com/uploads/chorus_image/image/64699915/1143375623.jpg.0.jpg "NBA Announces Replay Rule Changes, Including Coach's Challenge - Blazer's Edge")
NBA Announces Replay Rule Changes, Including Coach's Challenge - Blazer's Edge
NFL challenges: How many are allowed? What are rules for timeouts?
Mavs news: Mark Cuban reacts to successful Coach's Challenge by Blazers that led to Dallas loss
Of Course, the Rockets' Mike D'Antoni Was the First Coach to Test an NBA Rule Change
NBA Coach's Challenge Data Yields Surprising Results
Business Times
2020 Super Bowl: What are NFL challenge rules?
Utah Jazz coach Quin Snyder discusses challenge rule before NBA restart
What can NBA coaches challenge during games? Explaining the new rule for the 2019-20 season | Sporting News
Many Coaches Don't Like The NBA's Challenge Rule; Will It Be Back Next Season?
NBA allows coach's challenge, replay reviews | Phnom Penh Post
