Manning and Favre milestone touchdowns
Favre throws 421st career TD, surpasses Marino – Twin Cities
Rodgers becomes seventh player ever with 400 touchdown passes
Brett Favre, Packers Wiki
Peyton Manning throws his 500th touchdown pass - Mile High Report
Honored and humbled' Peyton Manning sets TD standard
Manning and Favre milestone touchdowns
Manning and Favre milestone touchdowns
NFL roundup Peyton Manning gets record, not much else
Peyton Manning Reaches Another Milestone - SI Kids: Sports News for Kids, Kids Games and More
Manning and Favre milestone touchdowns