Matt Hasselbeck - Wikipedia
Bill Leavy, officiating supervisor and referee, dies at 76 – Football Zebras
Report: Bill Leavy, longtime NFL official, dies at 76
Report: Bill Leavy, longtime NFL official, dies at 76
100 Most Memorable Moments in the NFL Since 2000, News, Scores, Highlights, Stats, and Rumors
Bill Leavy, who officiated Seahawks' controversial Super Bowl loss, dies at 76 - Field Gulls
Bill Leavy, officiating supervisor and referee, dies at 76 – Football Zebras
TMQ says Tim Tebow might have won a game, but the hapless Dolphins helped - ESPN
Bill leavy hi-res stock photography and images - Alamy
Tributes paid to 'great mentor and friend' Bill Leavy after the NFL referee dies at 76
Bill Leavy, officiating supervisor and referee, dies at 76 – Football Zebras
Report: Bill Leavy, longtime NFL official, dies at 76