On December 29, 2013, Peyton Manning broke Drew Brees' record of 5476 passing yards in a season.
Peyton Manning Denver Broncos Single-Season Passing Yards Record Framed 15''x17
NFL: Denver Broncos, Cincinnati Bengals and New England Patriots secure division titles, NFL News
All the records Peyton Manning and the Denver Broncos broke in 2013 - Mile High Report
Peyton Manning. 10/19/14. Game inwhich he broke the record for all-time passing touchdowns. 509 beat B…
Broncos, Peyton Manning break records, lead Raiders 31-0 at halftime
Peyton Manning's Record Setting 55 TD 2013 Season, This Day in History (12/29/13)
Peyton Manning Mic'd Up Breaking Favre's NFL All-Time TD Pass Record
Peyton Manning: My record with Marvin Harrison won't be broken - NBC Sports
Peyton Manning breaks NFL record with 509th touchdown pass - Los Angeles Times
Peyton Manning breaks NFL career TD passes record
Denver Broncos quarterback Peyton Manning could set touchdown record against 49ers (w/video)