NFL History: 100 objects that tell the story of football - Sports Illustrated
Greg Olsen is reportedly the leading contender to be Fox's top NFL analyst
Joe Buck: Fox planning to pump in crowd noise, digitize fans for NFL broadcasts
Calaméo - Buckeye Sports Bulletin April 5, 2014
2015 Football Media Guide by Army West Point Athletics - Issuu
2011 TCU Football Fact Book by TCU Athletics - Issuu
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Fox promoting Olsen caps NFL's announcer movement for now - The San Diego Union-Tribune
2014 Chicago Bears season - Wikipedia
2011 Media Guide (PDF) - NFL.com
California coronavirus obituaries: Lives lost to COVID-19 - Los Angeles Times
NFL history: 100 people who shaped the league, pro football - Sports Illustrated