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MLB on Five

The show first aired on Opening Day in 1997 with a game between the defending World Series champion New York Yankees and the Seattle Mariners.

Strength of schedule

Major League Baseball (MLB) has a more extreme way of scheduling since interleague games are done rarely, and were only introduced in 1997, plus the fact that interleague games do not exactly have concrete rules, save for the number of rest days and doubleheaders.

see also