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AI generated Image by rawpixel. https://www.rawpixel.com/image/12957792/referee-standing-white-background-authority-generated-image-rawpixelView licenseIn what seemed to be the most anticipated fight of the night, U.S. Marine Cpl. Jamel Herring dodges a punch thrown by U.S.… https://www.rawpixel.com/image/8738974/photo-image-public-domain-sportsFree Image from public domain licensePlayers meet for a coin toss prior to the start of the U.S. Air Force Academy's opening football game against the Idaho… https://www.rawpixel.com/image/8738862/photo-image-public-domain-sportsFree Image from public domain licenseU.S. Marines and British Royal Marines compete in a boxing match during the Royal Marines Sports Association Tour at Barber… https://www.rawpixel.com/image/8738652/photo-image-public-domain-sportsFree Image from public domain licenseReferee, American football game, stadium. 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Original public domain image from Flickr https://www.rawpixel.com/image/4040386/photo-image-public-domain-people-menFree Image from public domain licenseA colorful toy whistle object https://www.rawpixel.com/image/541796/free-photo-image-whistle-alert-emergency-callView licensePhoto of a referee showing a yellow card while holding it adult white background competition. https://www.rawpixel.com/image/14493907/photo-image-white-background-faceView licensePhoto of a referee showing a yellow card while holding it upwards adult white background happiness. https://www.rawpixel.com/image/14493931/photo-image-white-background-faceView licensePhoto of a referee showing a red card while holding it upwards shouting adult white background. https://www.rawpixel.com/image/14494103/photo-image-white-background-faceView license[Untitled photo shows: Henry Armstrong, boxing champion, with his opponent Lew Jenkins and referee Arthur Donovan at the… https://www.rawpixel.com/image/12299455/image-person-man-jewelryFree Image from public domain licenseManhattan Beach Coast Guard training station. 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