The San Antonio Spurs have the best winning percentage over the past 13 years out of the four major sports in the US.
New England Patriots
Yes
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.
Which sport are you talking about. Hockey, Soccer, Basketball, Baseball, Football, Etc.......
Manchester United
Tampa bay rays
Ben Roethlisberger (Pittsburgh Steelers) has the best winning percentage by far.
The Ohio State University, THen Oklahoma
North Dakota State University Bison
AU
Joe Retton career at Fairmont State: 478-95 which is a 83.6% winning percentage. He was featured in the Nov 30th 1981 issue of sports illustrated. He had 18 straight 20 win winning seasons. National coach of the year in 1969 and 1976.