Welcome to Super Bowl LIX. That's Super Bowl 59 for those untrained in Roman numerals, featuring the Kansas City Chiefs facing the Philadelphia Eagles at 6:30 p.m. Sunday in New Orleans.

Roman numerals are usually written as capital letters. You usually only write a maximum of three of the same numeral in a row. There is no zero in the Roman numeral system, so they did not use ...

But the league doesn't use just any numbers. It uses Roman numerals, a rarely used counting system introduced thousands of ...