XFL suspends operations - Is the league finished? What we know and don't know - ESPN
The NFL's 3 changes under the hood of replay that could have mixed results – Football Zebras
XFL Looks to Bring Fans Inside the Game With More Audio – NBC 5 Dallas-Fort Worth
On Further Review, the NFL's Instant Replay is Finally Instant
Instant Replay: What stood out from Falcons contest vs. Cleveland Browns
The Future of the Replay Booth Is Now Under Review
Football fans beg for 'rigged' NFL to adopt 'incredible' XFL feature which would 'change the league'
NFL officiating under fire after Seahawks gaffes : r/nfl
Rules school: What replay assist can and can't do – Football Zebras
This is gonna work': An exclusive behind-the-scenes look at Fox's top XFL team - The Athletic
XFL's Dean Blandino discusses rules and innovations that could hit NFL
XFL's Dean Blandino discusses rules and innovations that could hit NFL
2021 NFL rule changes guide - What to expect from more replay help, jersey number flexibility, more - ESPN
XFL Kickoff: ESPN Is All About Inside Access on the Field, in the Locker Room