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.
San Antonio spurs
Tampa bay rays
The San Antonio Spurs have the best winning percentage over the past 13 years out of the four major sports in the US.
Ben Roethlisberger (Pittsburgh Steelers) has the best winning percentage by far.
New England Patriots
The Ohio State University, THen Oklahoma
North Dakota State University Bison
AU
Highest Winning Percentage, Regular Season Miami Dolphins .580 Highest Winning Percentage, Overall Dallas Cowboys .577
Philadelphia Eagles
The Ravens