USCIS accepts any two of seven evidentiary tracks for P-1 athletes. The first track is documented participation in a major U.S. league or an international event with elite fighters from several countries. Helpful evidence includes:
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Sanctioning-body letters confirming they invite top-ten talent from multiple nations.
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Independent rankings (like Fight Matrix, Sherdog) placing you and your opponents in the global top tier.
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Broadcast metrics (international PPV buys, ESPN+ reach).
Package these with a combat-sports media affidavit and a statement from the promotion itself. Meeting two criteria usually satisfies the “international recognition” requirement.