the colts have the highest winning precentage
The New Zealand rugby team, the All Blacks, have an all-time 74.49% winning percentage.
Michigan
Denver Nuggets
Cincinnati reds
SF 49ers
Indiana (.657)
chennai
chennai super kings
Miami dolphins have the all time pro highest winning %
Assuming that the 2 represents ties, the winning percentage is .619 Assuming that the 7 represents ties, the winning percentage is .738
85%