How is the color of a referee's uniform defined, in soccer matches, when they aren't wearing all black? - Quora
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Along With Black, MLS Refs to Wear Yellow, Blue and Pink Uniforms in '23, '24 – SportsLogos.Net News
How is the color of a referee's uniform defined, in soccer matches, when they aren't wearing all black? - Quora
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Rugby League referees ditch pink shirts because of claims they undermine authority | Daily Mail Online
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