XFL vs NFL: Rules, the game, and where it stays the same
XFL Partnering, Not Competing, with the NFL in Next Reboot –
Dean Blandino Rejoins the XFL as Vice President of Officiating and Playing Rules Innovation
XFL announces NFL partnership, still no word on franchise cities
XFL and NFL to Collaborate on Health and Innovation – SportsTravel
NFL, XFL to work together on health and safety initiatives, other issues ` - NBC Sports
Dwayne 'The Rock' Johnson's XFL announces collaboration with NFL - WON/F4W - WWE news, Pro Wrestling News, WWE Results, AEW News, AEW results
XFL partnering with NFL on new innovative opportunities including player safety, potential rule changes
NFL, XFL to collaborate on health and safety innovation, player development