Hall of Fame quarterback Warren Moon says QB play is declining and a developmental league would improve things : r/nfl
The Leagues Are Long Gone, But The Cards Live On
Kurt Warner, American Football Database
Remembering the World League of American Football, NFL's first big move to Europe
Nine ways to improve the NFL by 2018 - ESPN - NFL Nation- ESPN
Ranking quarterbacks who benefited from NFL Europe - Kurt Warner, Brad Johnson, Jon Kitna, Jake Delhomme - ESPN
NFL minor league would address injuries, player development - ESPN
The best small-school quarterbacks in NFL history
Indianapolis Colts 2009 Media Guide, PDF, Indianapolis Colts
OC] 63 MVPs in 63 days, part 47: The 2003 MVP race : r/nfl
Akili Smith Waiting For Next Year
The Bonus: Lacking developmental league, many NFL hopefuls have few options - Sports Illustrated