The Roman numerals are a uniquely NFL feature, too. No other league uses them for their championships. Then again, no other league numbers its championships, either.

For those still wondering about Roman numerals, we'll save you the Google search: Different letters represent different numbers, with I equal to 1, V equal to 5, X to 10, L to 50, C to 100, D to ...

V Reasons To Love Roman Numerals If we didn't have a pope and we didn't have a Super Bowl, we might never use these fancy numbers at all. Then again, maybe we would. Pop Culture ...

The trick with Roman numerals, however, is that it's what's known as a subtractive notation. In other words, it's not a position → value or even symbol → value notation, but a sort of hybrid. MM = ...