It does now, but it didn't always. Super Bowls III and IV were won by AFL teams (Jets & Chiefs) before the AFL/NFL merger in 1970. For several years after the merger, it was quite common (though technically incorrect) to call the newly created NFC & AFC "conferences" by their pre-merger acronyms.
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> The "NFL" always wins the Superbowl...
It does now, but it didn't always. Super Bowls III and IV were won by AFL teams (Jets & Chiefs) before the AFL/NFL merger in 1970. For several years after the merger, it was quite common (though technically incorrect) to call the newly created NFC & AFC "conferences" by their pre-merger acronyms.