Carolina Panthers, 6-3 for a .667 winning percentage.
Vince Lombardi - .900 (9-1)
Highest Winning Percentage, Regular Season Miami Dolphins .580 Highest Winning Percentage, Overall Dallas Cowboys .577
Michigan has the highest winning percentage and the most wins
Through the 2008 season, Manning's regular season winning percentage is .665 (117-59 record) and his playoff winning percentage is .467 (7-8 record).
No, Ohio State's winning percentage is 71.6%. It is the fifth highest of All-time. The University of Michigan holds the highest winning percentage of 74%
the colts have the highest winning precentage
For QBs that started at least 10 playoff games it is Bart Starr of the Green Bay Packers at .900 (9-1 record).