This Peyton Manning record was his for a decade. But it's about to fall.
Manning breaks Favre's TD mark in 42-17 win against 49ers
Broncos quarterback Peyton Manning fires his 509th touchdown of his career, breaking the NFL record. Manning threw the pass in the 2nd quarter of a game against the San Francisco 49ers to
NFL All-Time QB Records: Season and Career Leaders
The greatest QB season ever? 2013 may not even be best of Peyton Manning's career - Sports Illustrated
NFL - On this day in 2013, Peyton Manning threw his 51st
Broncos 49ers final score: Peyton Manning breaks touchdown record in 42-17 rout - Mile High Report
Timeline of Peyton Manning's career
Peyton Manning Breaks NFL All-time Passing Record
Purdue grad Drew Brees breaks Peyton Manning's all-time NFL TD record
Peyton Manning Was the Most Adaptable Quarterback Ever
Peyton Manning set the NFL's all-time passing record while having the worst game of his life
Drew Brees Breaks Peyton Manning's All-Time Passing TD Record
Brett Favre glad it's Peyton Manning breaking his all-time TD pass record
Peyton Manning eclipses 500 career touchdown passes in Denver's win