Peyton Manning throws 509 to break Favre's record (Week 7, 2014)
Peyton Manning - Wikipedia
Broncos vs. Cowboys 2013 results: Peyton Manning, Denver break records in 51-48 shootout win over Dallas
Peyton Manning and the Denver Broncos beat the Dallas Cowboys 51-48 - Mile High Report
2013 NFL Top 100: where did Peyton Manning and Von Miller finish? - Mile High Report
Peyton Manning's Years in Denver, PHOTOS, Sports
Peyton Manning sets single season passing yards record - Mile High Report
Timeline of Peyton Manning's career
Manning Up: Peyton's Pursuit for TD Records - Mile High Report