XFL suspends operations and lays off employees, currently has no plans to return in 2021, per report
XFL rules, explained: The biggest differences vs. NFL, including overtime, kickoffs & more
XFL ANNOUNCES KEY RULE CHANGES FOR 2023 NEW POSSESSION OPTION AND CENTRALIZED REPLAY AMONG CHANGES - OnFocus
XFL: What its partnership with the NFL means for the once 'gimmicky' league
Why you should watch the XFL and USFL
USFL, XFL to Merge After First Seasons to 'Ensure Future Growth' - TheWrap
XFL Confident In Long-Term Financial Future
Report: XFL, USFL to merge as one spring football league - Field Gulls
XFL rule changes 2023: Which should the NFL adopt?