USFL adds new rules for Year 2: Kickoff starts at 20-yard line, emergency third QB highlight changes
When Does the USFL Start: A Look at the Upcoming Season
USFL 2023: 4 cities hosting games this season; here's the complete schedule
USFL adds new rules for 2023, brings back popular innovations from last season
USFL: Adds New Rules for their Upcoming 2023 Season
2023 All-USFL Team Announced
The USFL Tests Football Tech. The NFL Could Adopt It. - The New York Times
Ford Field to host USFL games in 2023 - CBS Detroit
United States Football League (2022) - Wikipedia
Will USFL add more teams in 2023?
XFL and USFL Announce Intent to Merge
USFL championship game set: Birmingham, Pittsburgh meet in Canton as league eyes future