What if the NFL and USFL Merged in 1987? (Part I)
Details Emerging Regarding A Potential USFL-XFL Merger
USFL, XFL announce intention to merge leagues
The devil is in the details: Six key elements that could determine fan interest in the merged XFL-USFL league - XFL News and Discussion
XFL Playoffs Recap And Reaction Show XFL Gambling Podcast (Ep. 27) - Sports Gambling Podcast
USFL Files For National Spring Football League Trademark
XFL Draftees Get Signed by NFL Teams, Emory Hunt Talks Winners Of XFL Draft & Top Players
Spring football leagues XFL, USFL announce plan to merge - ESPN
How the USFL Could Affect an XFL Return