Ben Roethlisberger (Pittsburgh Steelers) has the best winning percentage by far.
Jim Plunkett
Tom Brady and Ben Roethlisberger are the two quarterbacks that have the best winning percentage in their first 4 years in the NFL. Ben Roethlisberger has the fourth highest career winning percentage as a quarterback.
Cam Newton
Matthew Stafford of the Detroit lions
Joe Flacco for the Baltimore Ravens in the 2008-2009 season. He lead them to a 11-5 record and to the AFC Championship game. He was also the first rookie quarterback to win 2 playoff games.
Steve Young
in what? not a very clear question
Highest Winning Percentage, Regular Season Miami Dolphins .580 Highest Winning Percentage, Overall Dallas Cowboys .577
The Ravens
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%
Offensive: Russell Wilson QB Seattle Seahawks defensive: Bobby Wagner MLB Seattle Seahawks
As of the 2013 season, the college football team that has the best winning percentage in Division 1 is Old Dominion with a winning percentage of .767. Old Dominion has only played 60 games in Division 1 though. Notre Dame is 2nd with a percentage of .733 Michigan is 3rd with a percentage of .732