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