Question: Who has the best winning percentage in nfl history?
Disambiguated questions and answers: question: What team has the best regular season winning percentage in NFL history?
What NFL coach has the best combined regular season and playoff winning percentage in NFL history?
What starting quarterback has the best regular season winning percentage in NFL history?
What team has the best winning percentage in the playoffs in NFL history?
What team has the best winning percentage in the regular season and playoffs combined in NFL history?
What starting quarterback has the best playoff winning percentage in NFL history?
answer: Dallas
Cowboys
Dallas Cowboys
Guy Chamberlin
Otto Graham
Otto Everett Graham Jr.
New England Patriots
New England
Patriots
Dallas
Cowboys
Dallas Cowboys
Bart Starr
Natural Questions answer: Dallas Cowboys (from the Wikipedia article "NFL win–loss records")