Defining Moment:

Specific incident, positive or negative, between the competitors

Specific incident, positive or negative, between the competitors

Historical parity:

Comparable success over a long period (greater than 10 years)

Specific incident, positive or negative, between the competitors

Recent Parity:

Comparable success within the last 10 years

Specific incident, positive or negative, between the competitors

Star factor:

Extraordinary individuals (performers, personalities, or legacies)

Specific incident, positive or negative, between the competitors