Donovan is a sports enthusiast who has developed an elegant way to calculate championship cities across the four major sports leagues. Division I are Cities with teams in at least three sports in past 100 years. Icons show current champions.
Let’s make our example concrete by looking at the Cowboys at their peak in 1995. Super Bowl XXX was the Cowboys’ 5th title, but the titles are not equal. In 1971, the NFL had 26 teams; in 1977, 1992, and 1993, it had 28; and in 1995 it had 30. We call this discrepancy the “Riordan Factor”, and it impacts how many points we award the Cowboys. Since 1995 was the Cowboys 36th season, we determine their 1995 index score as follows: